How can I safely search for elegant adult nudes without the search yielding underage and hardcore images?

I'm working on using Boolean search logic with mixed success on Yahoo. I gave up on searching for beautiful nudes in natural settings on Google. The purpose of my search is to find models to use for drawing, watercolor, oil and sculpture. I find inspiration with the beautiful female form. Thank you for ideas or assistance, Lionel.

Deviant Art has some great tasteful images.
go to www.deviantart.com
then browse
then follow the easy sellection tab
Categories
Resources>stock images>model>
>Female>nude> Formal/Classical
or
>Male>nude> Formal/Classical
These are stock art so the models understand that you are using the images to create art, many have some rules on their page but most aren't intrusive.

Modified Lionel Oil Tender
Modified Lionel Oil Tender
$18.50 (4 Bids)
Time Remaining: 2h 8m

Lionel LLC 36153 Scout Oil Company 3 Dome Tank Car
Lionel LLC 36153 Scout Oil Company 3 Dome Tank Car
$19.99
Time Remaining: 3h 9m
Buy It Now for only: $19.99

Lionel Shell Oil Derrick 6 14081
Lionel Shell Oil Derrick 6 14081
$37.66 (4 Bids)
Time Remaining: 4h 18m

Vtg Lionel Sunoco Fuel Oil Tanker Car 8000 Gal
Vtg Lionel Sunoco Fuel Oil Tanker Car 8000 Gal
$0.99
Time Remaining: 6h 51m

Lionel O O27 Chevron Oil Tanker Semi Tractor Trailer
Lionel O O27 Chevron Oil Tanker Semi Tractor Trailer
$25.00
Time Remaining: 6h 53m
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O scale building Sunoco oil tank w bubble tube for Lionel MTH Atlas
O scale building Sunoco oil tank w bubble tube for Lionel MTH Atlas
$51.50 (4 Bids)
Time Remaining: 9h 3m

lionel 6425 Gulf Oil Three Dome Tank Car
lionel 6425 Gulf Oil Three Dome Tank Car
$45.95
Time Remaining: 9h 55m

Lionel 6301 Gulf Oil Single Dome Tank Car Modern Era 1981 With Orig Box
Lionel 6301 Gulf Oil Single Dome Tank Car Modern Era 1981 With Orig Box
$25.00
Time Remaining: 11h 28m
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Lionel 6 37966 Lionel Cylindrical Oil Tank
Lionel 6 37966 Lionel Cylindrical Oil Tank
$99.99
Time Remaining: 11h 54m
Buy It Now for only: $99.99

LIONEL 6 12902 MARATHON ANIMATED OIL DERRICKMINT IN THE BOX
LIONEL 6 12902 MARATHON ANIMATED OIL DERRICKMINT IN THE BOX
$138.95
Time Remaining: 13h 13m
Buy It Now for only: $138.95

Lionel Oil Derrick No 455
Lionel Oil Derrick No 455
$125.00
Time Remaining: 22h 7m
Buy It Now for only: $225.00

Vintage Lionel No 2305 GETTY OPERATING OIL DERRICK AND PUMPER No Reserve
Vintage Lionel No 2305 GETTY OPERATING OIL DERRICK AND PUMPER No Reserve
$49.99
Time Remaining: 23h 9m

Linex Operating Oil Derrick 455R Lionel Trains 6 32990
Linex Operating Oil Derrick 455R Lionel Trains 6 32990
$99.95
Time Remaining: 23h 27m

LIONEL MARATHON OIL DERRICK 6 12902  MARATHON TRACTOR AND TANKER 6 12869
LIONEL MARATHON OIL DERRICK 6 12902 MARATHON TRACTOR AND TANKER 6 12869
$110.50
Time Remaining: 1d 3h 4m

LIONEL  24238 SUNOCO OIL DERRICK NEW O B
LIONEL 24238 SUNOCO OIL DERRICK NEW O B
$74.95
Time Remaining: 1d 3h 8m

LIONEL O AND 027 CHEVRON SINGLE DOME TANK CAR STANDARD OIL COUTOX 9153
LIONEL O AND 027 CHEVRON SINGLE DOME TANK CAR STANDARD OIL COUTOX 9153
$64.00
Time Remaining: 1d 4h 24m
Buy It Now for only: $64.00

Lionel TC SDM LEN OIL Tank Car 6 26101
Lionel TC SDM LEN OIL Tank Car 6 26101
$39.99
Time Remaining: 1d 6h 24m
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Lionel Humble Oil Single Dome Tanker 6 9334
Lionel Humble Oil Single Dome Tanker 6 9334
$21.99
Time Remaining: 1d 6h 24m
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LIONEL 36153 PRR FLYER SCOUT OIL TANKER train tank car pa train o gauge 6 30126
LIONEL 36153 PRR FLYER SCOUT OIL TANKER train tank car pa train o gauge 6 30126
$22.84
Time Remaining: 1d 8h 25m
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6 9334 Humble Oil tank car silver new and unrun
6 9334 Humble Oil tank car silver new and unrun
$30.00
Time Remaining: 1d 9h 1m

LIONEL 6 52122 1997 NASSAU NLOE MEENAN OIL TANK CAR LEVITTOWN NEW YORK LOT 1313
LIONEL 6 52122 1997 NASSAU NLOE MEENAN OIL TANK CAR LEVITTOWN NEW YORK LOT 1313
$49.99
Time Remaining: 1d 9h 43m

LIONEL TRAINS NEW OPERATING OIL DRUM LOADER W DIECAST FORKLIFT 12862 NORESERV
LIONEL TRAINS NEW OPERATING OIL DRUM LOADER W DIECAST FORKLIFT 12862 NORESERV
$67.00 (8 Bids)
Time Remaining: 1d 9h 47m

Vintage Lionel No 455 Oil Derrick  Pumper As Is NR Model Railroad
Vintage Lionel No 455 Oil Derrick Pumper As Is NR Model Railroad
$24.99 (1 Bid)
Time Remaining: 1d 10h

6415 LIONEL SUNOCO OIL TANK CAR MODEL TRAIN O27 PARTS
6415 LIONEL SUNOCO OIL TANK CAR MODEL TRAIN O27 PARTS
$6.00 (3 Bids)
Time Remaining: 1d 11h 25m

Lionel  9153 Chevron Oil Single Dome Tank Car Built 1974 1976
Lionel 9153 Chevron Oil Single Dome Tank Car Built 1974 1976
$18.99
Time Remaining: 1d 11h 57m
Buy It Now for only: $24.99

LIONEL HUMBLE OIL SINGLE DOME TANKER 0  027 GAUGE
LIONEL HUMBLE OIL SINGLE DOME TANKER 0 027 GAUGE
$23.95
Time Remaining: 1d 13h 41m

Lionel 455 455 47 Oil Derrick Bubble Tube Part EX
Lionel 455 455 47 Oil Derrick Bubble Tube Part EX
$9.99
Time Remaining: 1d 15h
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POLAR EXPRESS O GAUGE TRAIN SET IN BOX WITH SMOKE OIL
POLAR EXPRESS O GAUGE TRAIN SET IN BOX WITH SMOKE OIL
$144.99
Time Remaining: 1d 18h 40m
Buy It Now for only: $189.00

Lionel 455 69 Ladder For Oil Derrick NOS EX
Lionel 455 69 Ladder For Oil Derrick NOS EX
$2.99
Time Remaining: 1d 19h 58m
Buy It Now for only: $2.99

Lionel 0209 6 Oil Barrels late prewar to early postwar
Lionel 0209 6 Oil Barrels late prewar to early postwar
$6.99
Time Remaining: 1d 19h 58m
Buy It Now for only: $6.99

LIONEL NO 2855 GRAY SINGLE DOME OIL TANK CAR 1947
LIONEL NO 2855 GRAY SINGLE DOME OIL TANK CAR 1947
$44.00
Time Remaining: 1d 21h 20m

Vintage Lionel 0 027 Gauge Humble Oil Tractor and Tanker Model Railroad Truck
Vintage Lionel 0 027 Gauge Humble Oil Tractor and Tanker Model Railroad Truck
$9.99
Time Remaining: 1d 22h 15m

Lionel Linex gasoline tall oil tank O ga 6 22953
Lionel Linex gasoline tall oil tank O ga 6 22953
$9.99 (1 Bid)
Time Remaining: 2d 33m

Lionel 26941 Getty Die Cast Oil Tank Car WITH BOX MINT C 10 P 10
Lionel 26941 Getty Die Cast Oil Tank Car WITH BOX MINT C 10 P 10
$80.00
Time Remaining: 2d 34m

Lionel Linex wide oil tank O ga 6 12954
Lionel Linex wide oil tank O ga 6 12954
$9.99 (1 Bid)
Time Remaining: 2d 40m

Lionel Trains Oil Derrik
Lionel Trains Oil Derrik
$80.00
Time Remaining: 2d 2h 48m

LIONEL  29780 SET BREAK BEACON OIL 8000 GALLON TANK CAR NEW O B
LIONEL 29780 SET BREAK BEACON OIL 8000 GALLON TANK CAR NEW O B
$69.95
Time Remaining: 2d 3h 14m

Lionel 17908 Lionel Marathon Oil Tank Car Boxed
Lionel 17908 Lionel Marathon Oil Tank Car Boxed
$31.50
Time Remaining: 2d 3h 55m
Buy It Now for only: $31.50

Lionel 455 Oil Derrick  Pumper Licensed Reproduction Box
Lionel 455 Oil Derrick Pumper Licensed Reproduction Box
$9.95
Time Remaining: 2d 10h 12m
Buy It Now for only: $9.95

LIONEL TANK CAR LION OIL FROM FAST FREIGHT SET
LIONEL TANK CAR LION OIL FROM FAST FREIGHT SET
$24.99
Time Remaining: 2d 11h 6m
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Lionel Marathon Oil Tank Car 6 17908 LNIB
Lionel Marathon Oil Tank Car 6 17908 LNIB
$29.99
Time Remaining: 2d 20h 29m
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Lionel 6 32290 Linex Oil Derrick
Lionel 6 32290 Linex Oil Derrick
$139.99
Time Remaining: 2d 23h 29m
Buy It Now for only: $184.99

LIONEL 36153 3 DOME TANK CAR SCOUT OIL COMPANY NEW
LIONEL 36153 3 DOME TANK CAR SCOUT OIL COMPANY NEW
$30.00
Time Remaining: 3d 20m
Buy It Now for only: $30.00

Vintage Lionel Pre War Metal Train Lot 1679 1680 1682 Cars Baby Ruth Shell Oil
Vintage Lionel Pre War Metal Train Lot 1679 1680 1682 Cars Baby Ruth Shell Oil
$49.99
Time Remaining: 3d 1h
Buy It Now for only: $49.99

O Gauge Lionel Custom Scratch Built Sinclair Oil Fuel Gas Refinery T
O Gauge Lionel Custom Scratch Built Sinclair Oil Fuel Gas Refinery T
$21.50 (6 Bids)
Time Remaining: 3d 1h 26m

LIONEL TRAIN SHELL OIL TANK CAR 1680
LIONEL TRAIN SHELL OIL TANK CAR 1680
$20.00 (1 Bid)
Time Remaining: 3d 2h 39m

Lionel 12848 operating oil derrick
Lionel 12848 operating oil derrick
$99.95
Time Remaining: 3d 2h 42m
Buy It Now for only: $99.95

Lionel 12930 operating oil derrick
Lionel 12930 operating oil derrick
$99.95
Time Remaining: 3d 2h 44m
Buy It Now for only: $99.95

Vtg 1940 PREWAR LIONEL TRAIN O SCALE 2680 SUNOCO OIL TANKER CAR w BOX
Vtg 1940 PREWAR LIONEL TRAIN O SCALE 2680 SUNOCO OIL TANKER CAR w BOX
$9.95
Time Remaining: 3d 4h 30m

Vtg 1940 PREWAR LIONEL TRAIN O SCALE 654 SHELL OIL TANKER CAR ORIGINAL
Vtg 1940 PREWAR LIONEL TRAIN O SCALE 654 SHELL OIL TANKER CAR ORIGINAL
$9.95
Time Remaining: 3d 5h 20m

Lionel 455 23 Oil Drum set of four
Lionel 455 23 Oil Drum set of four
$6.95
Time Remaining: 3d 6h 55m
Buy It Now for only: $6.95

Lionel 209 16 2 Piece Oil Barrel set of 6 NOS EX
Lionel 209 16 2 Piece Oil Barrel set of 6 NOS EX
$12.99
Time Remaining: 3d 7h 49m
Buy It Now for only: $12.99

LIONEL TRAINS SUNOCO OIL GAS SILVER TANK CAR 10000 GALLONS DIECAST FRAME P WAR
LIONEL TRAINS SUNOCO OIL GAS SILVER TANK CAR 10000 GALLONS DIECAST FRAME P WAR
$10.50 (7 Bids)
Time Remaining: 3d 8h 24m

NEW LIONEL 12848 LIONEL OIL COMPANY OPERATING OIL DERRICK 0 027 MINT
NEW LIONEL 12848 LIONEL OIL COMPANY OPERATING OIL DERRICK 0 027 MINT
$65.00
Time Remaining: 3d 8h 54m

Vintage Lionel Train Car SUNDCO OIL TANK
Vintage Lionel Train Car SUNDCO OIL TANK
$27.99
Time Remaining: 3d 9h 11m
Buy It Now for only: $27.99

NEW LIONEL 12777 CHEVRON OIL CO TRACTOR  TANKER TRACK O 027 GAUGE NIB
NEW LIONEL 12777 CHEVRON OIL CO TRACTOR TANKER TRACK O 027 GAUGE NIB
$9.99
Time Remaining: 3d 9h 14m

815 Pre War 1930s Lionel Sunoco Oil Car
815 Pre War 1930s Lionel Sunoco Oil Car
$29.99
Time Remaining: 3d 9h 30m

MTH LUBRICATING OIL train lube for lionel bachmann atlas kato o ho n 30 50051O
MTH LUBRICATING OIL train lube for lionel bachmann atlas kato o ho n 30 50051O
$7.84
Time Remaining: 3d 12h 2m
Buy It Now for only: $7.84

LIONEL 455 23 OIL DRUMS 5 TOTAL  SUNOCO OIL DERRICK NO 455 SIGN LICENSED
LIONEL 455 23 OIL DRUMS 5 TOTAL SUNOCO OIL DERRICK NO 455 SIGN LICENSED
$6.99
Time Remaining: 3d 17h 11m

Lionel Station Fence Metal Signs Repro Gulf Oil
Lionel Station Fence Metal Signs Repro Gulf Oil
$3.50
Time Remaining: 3d 19h 35m
Buy It Now for only: $3.50

LIONEL 6555 TANK CAR W GAS  OILS ON THE SIGN
LIONEL 6555 TANK CAR W GAS OILS ON THE SIGN
$7.50
Time Remaining: 3d 23h 50m
Buy It Now for only: $7.50

LIONEL  338500 LIONEL LINES OIL TRUCK  EASTWOOD
LIONEL 338500 LIONEL LINES OIL TRUCK EASTWOOD
$19.95
Time Remaining: 3d 23h 51m
Buy It Now for only: $25.95

LIONEL 6 36153 SCOUT OIL TANK CAR FROM 6 30174 CHECK IT OUT
LIONEL 6 36153 SCOUT OIL TANK CAR FROM 6 30174 CHECK IT OUT
$34.99
Time Remaining: 4d 35m
Buy It Now for only: $34.99

LIONEL TRAINS POSTWAR O  O27 TANKCAR BODY LOT OIL REFINERY KIT BASH SCENERY
LIONEL TRAINS POSTWAR O O27 TANKCAR BODY LOT OIL REFINERY KIT BASH SCENERY
$5.00 (1 Bid)
Time Remaining: 4d 1h 45m

454 47 Bubble Tube for Lionel O Gauge No455 Oil Derrick
454 47 Bubble Tube for Lionel O Gauge No455 Oil Derrick
$8.75
Time Remaining: 4d 2h 1m
Buy It Now for only: $8.75

Replacement String for Lionel Cranes  Oil Derricks Qty6
Replacement String for Lionel Cranes Oil Derricks Qty6
$8.99
Time Remaining: 4d 4h 23m
Buy It Now for only: $11.69

LIONEL TRAINS 3 PREWAR CARS SHELL OIL 1680 BABY RUTH 2679 CABOOSE 2657
LIONEL TRAINS 3 PREWAR CARS SHELL OIL 1680 BABY RUTH 2679 CABOOSE 2657
$70.00
Time Remaining: 4d 6h 28m

Lionel 6 19605 Hudsons Bay Oil and Gas Tank Car
Lionel 6 19605 Hudsons Bay Oil and Gas Tank Car
$75.00
Time Remaining: 4d 7h
Buy It Now for only: $75.00

VINTAGE LIONEL LINES RAILROAD MODEL TRAIN PLASTIC 7 3 4 OIL TANKER CAR 8 WHEEL
VINTAGE LIONEL LINES RAILROAD MODEL TRAIN PLASTIC 7 3 4 OIL TANKER CAR 8 WHEEL
$9.99
Time Remaining: 4d 9h 7m

Lionel 6465 2 Dome Sunoco Oil Tank Car
Lionel 6465 2 Dome Sunoco Oil Tank Car
$7.00
Time Remaining: 4d 10h 35m

VINTAGE LIONEL 1680 OIL CAR WITH ORIGINAL BOX
VINTAGE LIONEL 1680 OIL CAR WITH ORIGINAL BOX
$69.99
Time Remaining: 4d 10h 41m

Lionel Vintage O Gauge 6465 Sunoco Gas Oil Dome Tanker Train Car
Lionel Vintage O Gauge 6465 Sunoco Gas Oil Dome Tanker Train Car
$14.99
Time Remaining: 4d 11h 1m

NEW IN BOX LIONEL OIL DRUM LOADER 6 22997
NEW IN BOX LIONEL OIL DRUM LOADER 6 22997
$99.99
Time Remaining: 4d 11h 3m

LIONEL SUNOCO OIL DERRICK  455 WITH BARRELS INCLUDED
LIONEL SUNOCO OIL DERRICK 455 WITH BARRELS INCLUDED
$35.00
Time Remaining: 4d 19h 4m
Buy It Now for only: $125.00

1994 Lionel 6 19605 Hudsons Bay Oil and Gas Tank Car New in Box L1624
1994 Lionel 6 19605 Hudsons Bay Oil and Gas Tank Car New in Box L1624
$57.00
Time Remaining: 4d 23h 38m
Buy It Now for only: $57.00

Replacement String for Lionel Cranes  Oil Derricks Qty4
Replacement String for Lionel Cranes Oil Derricks Qty4
$6.99
Time Remaining: 5d 4h 2m
Buy It Now for only: $9.09