I highly encourage anyone who frequently uses Google images to try out Yandex.

What's really interesting is the differences in the results -- it seems like Yandex is actually filtering for high quality art. I've got a project on the back burner to scrape google and Yandex for the same queries and then do different sorts of analysis on them and see if anything interesting pops up.

Going by eye, most photo results on Yandex are higher resolution, and more saturated. It also doesn't pull images from video thumbnails like Google does.