I love to see really thin girls (not annorexic or anything, in fact having a nice ass and tits would be a plus, just no chunky chicks) take cocks in the ass. 

A good example can be found in Beata Undine's sets and in a lot of the TryTeens/GirlsGotCream/TeachMyAss/WhiteTeensBlackCocks/Etc girls.

http://peachyforum.com/forums/p/207938/740824.aspx

http://img221.imagevenue.com/img.php?image=73600_tryteens_123_397lo.jpg

http://www.white-teen.com/tma06/fhwl.html

http://www.white-teen.com/cream-rocki/fhwl.html

http://galleries.tryteens.com/pics/1212/aprilvcs/101113/

Take this "Nena" for another example: http://fhg.analteenangels.com/72011b/index.html?nats=NTUwOjU6ODM,0,0,0,48964

The rougher or more hardcore the sex, the bigger the cock, and the thinner the girl's waist and legs.the better.

also Evelynn from nubiles.  She has a nice thread here on Peachy.  A clip of her anal

http://www.adultplayground.ws/jpg0369atc/dukesweetteenmale.html

lots of anal clips found at this similar but slightly different thread:

http://peachyforum.com/forums/p/143518/251799.aspx#251799

http://promo.content.premiumpass.com/images/P01739/photopromo/1024X768/P1004/6.jpg

http://promo.content.premiumpass.com/images/P01765/photopromo/1024X768/P1004/6.jpg

http://cnt.properfuck.com/pf_14770/tgp/DSC_0010.jpg

http://galleries.assteenmouth.com/pics/11926/breafan/1000386/brea/a012.jpg

http://galleries.assteenmouth.com/pics/11841/chennin2ses/1000386/chennin2/a005.jpg

http://galleries.assteenmouth.com/pics/11225/temptation2fyu/1000386/temptation2/a006.jpg

http://fhg.assholefever.com/8243/images/blonde-in-anal-fucking-scene-6.jpg

http://fhg.assholefever.com/8208/images/7.jpg

http://fhg.assholefever.com/8099/images/4.jpg

http://nichefreepics.com/gallery_v2/aft/gal6/images/_MIC9872.jpg

errrr.... wtf how did my theme title get changed?

http://www.sexworldpalace.com/drilledsweeties-pic-5.htm

http://galleries.naughtyamerica.com/data/output/nbw/darcyjohn/gallery/12_large.jpg

I love pictures when girls sit on a cock and you do not see the cock.

for example 

On most pictures in the porn business is the tail for the most part still there!

http://gallys.realitykings.com/es/753/Donna_Bell-So_loved-EuroSexParties-12.jpg

But I like it deep in the pussy or ass!  ... or both 

http://galleries.doubleteamedteens.com/free/1/pics/053VIOLETTA83999503/1/16131/1000386/content/pics/053VIOLETTA83999503/1/a013.jpg

http://galleries.doubleteamedteens.com/free/1/pics/057BELLA83422732/2/16226/1000386/content/pics/057BELLA83422732/2/a001.jpg

http://galleries.doubleteamedteens.com/free/1/pics/056JENNA69432171/1/16187/1000386/content/pics/056JENNA69432171/1/a009.jpg

http://galleries.maketeengape.com/free/1/pics/002MAKAYLA96944431/2/16001/1000386/content/pics/002MAKAYLA96944431/2/a006.jpg

http://galleries.mrpov.com/scenes/casey_chase/pov/pics/014.jpg

http://galleries.loveminiskirts.com/tube/088/images/iloveminiskirts.com_006.jpg

http://galleries.loveminiskirts.com/pics/053/images/iloveminiskirts.com_013.jpg

http://galleries.loveminiskirts.com/pics/161/images/iloveminiskirts.com_012.jpg

http://galleries.loveminiskirts.com/pics/276/images/iloveminiskirts.com_017.jpg

http://88.208.32.219/myteenvideo.com/pics/kacey_05_799a051o/2/04.jpg

I'm looking for little young skinny girls that have anal in cowgirl position, like this one:

http://teenmegaworld.paysite.name/galleries/g1265710678/12.jpg

No reverse cowgirl please, that's a horse of a very different colour...

BTW, here is the whole gallery of the above image:

http://teenmegaworld.paysite.name/galleries/g1265710678/index.html

Thanks

http://galleries.payserve.com/1/44184/29753/index.html

http://galleries.freshteenz.net/dc/firstanalquest/g1287127528/index.html

http://galleries.tryteens.com/pics/11260/temptationfgk/1008558/

http://galleries.freshteenz.net/dc/firstanalquest/g1273032828/index.html

http://galleries.freshteenz.net/ufo/lovelyteenmovs/g1272374027/index.html

http://new.younglegalporn.com/5ede051c/NTczMzo1OjI1/

http://z.tryteenz.com/pic1_teencoreclub/assteenmouth/g1275940778/index.html

http://galleries.ferronetwork.com/fhg/analsaga/pictures/5051_1/bridget-patrick-nasty-anal-duo.shtml?ferroc108140

http://fhg.analteenangels.com/72094temp5/index.html?nats=MjY3NTE6OTc6ODM,0,0,0,97681

http://firstanalquest.com/galleriespics/polly_ph_1d/index.php?nats=NTA5LjEuMS4xLjIuMjYzNC4wLjAuMA

http://galleries.sasharose.com/p/sashahard5/sashahard5.html?nats=NTAwMjk4MDoxMDoxNA,0,0,0,4384

Really beautiful anal sex performed by Sharka Blue in polka dot stockings! She's such a petite girl -- the guy holds her in the air while pounding her lil' backhole!

http://patternednylons.com/hardcore/sharka-blue-sandwitched-two-thick-cocks-stylish-polka-dot-stockings/

Vanessa Cruz in action

http://www.vividforfree.com/hardcore/vanessa-cruz/index.html

Last clip - short but good.

http://galleries.teensexmovs.com/4751397974/