Jamison seems out of place on the Cavs as they are now rebuilding.
Kenyon doesnt want to play for us and JR is a nutcase,
How about
Kenyon Martin, Jr Smith (both expiring)
for
Antwan Jamison, Sideshow Bob (Varajeo), and a Cle 1st (2012? maybe)(only top 5 protected or unprotected) Cle shaves long term contracts and gets a year to decide if JR smith can be their go to scorer.
Den gets a Denfensive C, and some vetern frontcourt help.
Personally i dont think its great, but it seems doable, and would show Melo we are interested in making moves. Plus a Cle 1st would be tasty as they are bound to be awful for the next few season