I tie a lot with foam also. Lots of stealths especially. I tie a hopper pattern called the "thunder thigh" hopper that is fairly easy but looks and works great.
http://hopperfishing.wordpress.com/2...pper-tutorial/ lots of color variations you can use and its a trout, smallmouth or bream fly
I also like to tie one of Kent's other patterns for bream called the "Tokyo spider"
http://www.flyfishga.com/spider.htm