If I were GM.... I'd make the following changes:
I'd bring Mike Williams in for a workout/physical. See where his head was at. Let him work out with Romo. Sign him if I got a warm fuzzy.
If not, I'd look to Greg Camarillo from Minnesota. His past two years have been bad, but so has Minny's QB situation. I think he'd be an ideal third receiver/role player. Has punt return ability as well.
I'd look into Visante Shianco. Same situation as Greg Camarillo above. Decent receiving TE.
I'd sign Vernon Carey from Miami to compete on the interior of the line. At 6'5, 340... he's a beast.