dude garry, i came across the SAMEEEE problem... i went ahead with bigcockcontent thinking we could use their images in the tour design but couldn't, only thumbnails... after searching for what you're searching for now, i couldn't find anything, so i decided to edit dicks off of normal hardcore scenes in photoshop, and its actually pretty damn easy man, and doesn't take much time at all. i think thats what you'll prolly have to do.. its rather easy, jus select the whole dick w/ the lasso, and edit/transform/scale that bitch, then you clean up the parts around it to make it look more authentic... heres what i came up with:
www.stuffedcuties.com not done yet though, but that gives ya the basic idea. :P