Non-Nude Girls is one of the finest collections of amateur pictures on the interweb.
The Non-Nude Girls Forum is an astoundingly huge and ever growing archive that would take any reasonable person months and several boxes of tissues to get through. Members can show off pics of their girls, though being a lurker is also totally cool.
Unfortunately, you can't browse the forum for free for very long before you are asked to sign up. But I try and put out a new non-nude girls gallery each day, so you can always check out our directory page for more free pics.