I just found a really wonderful web site: http://WomenInBallGowns.com! I LOVE it! Of course, I love wearing nice dresses, and have quite a few myself. Maybe I should post some pics ;-)
The site has a lot pics of women wearing nice prom dresses, ball gowns, quinceanera and formals. This is a very neat site! When I was on there a few minutes ago, they had 275. There is also a way to upload your own. I do wish they had a way to rate the pics though, it would be fun to see what everyone else thought of the pics.
Here are a few examples: