I meant to put this bug in a while ago, but the jevents extension is not working at all. The SEF URLs are completely different than the event I land on. For example:

For example:  Ringling Bros. and Barnum & Bailey® Presents Barnum’s FUNundrum!  Shows up in the URL as:  www.MYSITE.com/calendars/concerts-shows/...-for-twos/2010-10-14

I have disabled the extension for now.