srobbin/jquery-backstretch — pull request #168 by lyoshenka (2012-11-28 13:33:58+00:00)
Title: Add 'fit' option that fits image into browser viewport

This was originally pull-requested by @vladmu [a while ago](https://github.com/srobbin/jquery-backstretch/pull/126) before your big rewrite.

I took his fit code and added it in.