This thread is spur from: http://forum.xbmc.org/showthread.php?tid=83925
It discusses and implements enhancements to the existing TvTunes add-on. It is based off of the r666 version of TvTunes v3.0.9 from ronie's repo and builds further features and bugfixes on that.
Details of the state of these changes can be seen on the Wiki:
If you have found TvTunes useful and would like to help support future development and bug fixes, then please feel free to make a small donation.