Here is a list of various percussion resources:
Playing:
Vic Firth has videos of all things percussion. You can find all the rudiments with step by step videos on how to play each one correctly. Here is the website.
Here are drum set resouces from beginner to advanced, something for everyone. Freedrumlessons.com
Supplies:
You can find everything for your percussion needs at VicFirth.com or Steve Weiss Music
Sheet Music:
I order the KRHS cadances and percussion ensemble pieces from Row-Loff Productions.
Use this site to expand your personal percussion library or to listen to new music and give suggestions of things for me to order.