What are the best and worse ones you've seen?

Bad: Breaking Bad vs Sonic Youth t-shirt http://dangerousminds.net/comments/sonic_meth_sonic_youth_meets_breaking_bad_tee-shirt

Good: Music vs Movie Posters http://music.cbc.ca/#/blogs/2013/8/From-Citizen-Kanye-to-Justin-Biebers-Baby-popular-music-as-classic-movie-posters