Ubertwitter Beta 7 has been released with a host of new upgrades and bug fixes.  Ubertwitter remains the most popular Twitter client for the Blackberry platform and rightfully so.  The user interface is very well designed and Ubertwitter offers photo uploading, video uploading, and location sharing.  Upgrades for the new Beta 7 include modified photo/video chooser for quicker file posting, in-line Flickr image support, support for twitpic.com, and much more.  Head over to Ubertwitter.com for a full change log and list of bug fixes.