I purchased a dbrand vinyl skin to cover up the silly looking back of the Nexus 4.  I purchased the black leather one found here:

http://dbrand.com/submodels/nexus-4/

This thing is top quality.  It was easy to install and looks amazing.

I wanted to make sure that it works well with the official Nexus 4 bumper... and it does!

I plan on doing a full series of videos for the Nexus 4, so be sure to stay tuned!