Playing the chord changes for many of the jazz standards would also be very helpful. If you play aenough of them, you will find that many of the patterns start to repeat themselves from song to tsong. There was a really good site for many of the jazz standard songs listed on this site.

http://guitar-primer.com/Charts/index2.html

If you are not familiar with many of the commonly used jazz chord forms, check out Mickey Baker's Complete Course in Jazz Guitar. That will give you a starting point for playing chords.