[wilsonng]

This looks like it might do the trick:

http://bettermess.com/omnilaunch/

I don't use Launch Center Pro but this part looked interesting. It looks like this URL pastes the clipboard contents into the clipboard.

New Task from Prompt w/ Clipboard – omnifocus:///add?name=[prompt]&note=[clipboard]

But then again, OmniFocus 2 is still a work in progress...