Pretty-much any Dwarven family album should have plenty. The real danger is sitting through thier sharing the stories behind all those pictures with you, with 300+ years to go back over at a minimum you could be in for a stay...
Well, here's a link to about 230 results - from Google - that're all based off of Elfwood (a rather nice art site.) The quality isn't all good, but there's quite a bit. Dwarven Artwork
I love the Elfwood site, but their search engine tends to be down about 90% of the time, and Google tends to do the trick.