I generally try to keep an eye open for any art vaguely related to dinosaurs and cowboys. Compared to fantasy or sci-fi this genre is so narrow that any pieces are rare.
I lucked out recently when I found an artist called spohniscool on DeviantArt (the name can be offputting, but the site is well known and popular for aspiring artists).
So I combed his gallery and found anything Dinosaur Cowboy related, and figured I’d post them all here.
All the links go back to the original page, which has the full size version. If you get a 500 error on their site try refreshing, as it sometimes doesn’t like a bunch of rapid hits (which I assume is how you’ll be clicking the links as you holler “More dinooosaurs!”).
Now…release the thumbnaaaaaaails!
And of course what would a dinosaur picture be without some comedy: