If you haven't heard of society6 you need to go right away! It is an amazing website with legitimately thousands of prints (that can/are converted to different medias) from great young artists. The artist themselves put their pieces up and determine the prices from there. Some of the pieces might be a little pricey (due to the fact that the website itself takes some of the profit), but most are still very reasonable.
So while I wait for a time to come to fill my walls with priceless works, I mine as well choose pieces that just go well with my rooms.
The pieces above (from top to bottom)