If you can isolate which panel it is, try to remove it, put vaseline on the mounting point, and re-attaching it. But be warned -- removing the panel might make it worse!
Try ****ing into neutral, it helps on my 95 when it rattles.
Dan Parmelee 1999 Acura Integra SiR-G coupe "I heard Affleck was the bomb in Phantoms" "Word, bitch! Phantoms like a muhfuka"