It's really not hard to do. There's even an explanation on how. You just need to come up with the wav files.Do a google search. I did that for Tambourine and it was nice.You can also purchase CDs with drum loops that would work exceptionally well. This one comes to mind.
http://www.guitarcenter.com/Sony-ACID-Loops---Mick-Fleetwood--Total-Drumming-103139499-i1154182.gc


John
ESI Gigaport HD+
Lenovo Turion II /4 Gig Ram/ Win7x64 be
15.6" Monitor
"The only Band is a Real Band"
www.wintertexaninfo.com/BANDS/JohnnyD.php