Do you mean stuff that's "steroetypical vikings", like with big bulging biceps and horned helms, or do you mean more along the lines of "lets aim for reality"? This is a really good link for pictures related to anything asatru:
http://home.earthlink.net/~wodensharrow/ and this dude does really inspirational stuff:
http://www.floydjohnsonstudio.com/frames.html
Btw, there is a thread at this forum that's all fan art. I think it has som drawings etc. Can't for the life of me remember what the thread is called, but you can search under art, I guess.