This is a fork of YOURLS: WordPress to Twitter that does nothing but generate YOURLS for new posts (and new media if opted). I ripped out all the Twitter bits and other stuff I have no use for, because the original plugin kept annoying me by nagging about not having configured Twitter.
Download: yourls-just-yourls-0.1.zip
This was a quick afternoon hack and as usual, might murder your pets when used. I’m not even sure if it works yet, this post is the first real test.