I love the FL Pad Controller (FPC) that comes with FL Studio. It's a fantastic drum instrument! Many people don't realize that Image Line has provided some free additional kits on their Sample Fusion site for registered users. You go directly to the kits here.
As of this writing, there are two downloads. The first download alone contains 31 kits! The downloads are in .exe format. Running the .exe launches a time saving installer which places all the files where they need to be so you can access them within FPC.
I hope you found this little tip helpful. Checkout our FL Studio Video Tutorials for more detailed instruciton on FL Studio.