I still keep on doing mirror blogs, here is the one I did few weeks ago:
19th of May, 2012 mirror blog to Rachel de Joode tumblr which can be found under http://racheldejoode.tumblr.com
You can try an find more of them!
Mirror blogs by (c) merry
→ the blog must belong to of one of my favorite artists (not necessarily institutionalized)
→ the blog must contain original artwork
→ the theme of the blog must be for free
→ the content of the blog must be rebloggable within five hours