10th anniversary logo was already posted somewhere.
This is the CDL 2007-2008 logo..it's not as high-res as the ones posted (I didn't make this) but it's not bad:
http://img504.imageshack.us/my.php?i...l03sgq0qa4.jpg
Perhaps if someone wants an enlargement...
another color:
http://img93.imageshack.us/img93/7913/cdl05sxk5ay8.jpg
Credits are on the images.