Here are some percussion samples you can use with drumsets.
Drumset Sample 1
Percussion Sample 1.mscz
Drumset Sample 2
Percussion Sample 2.mscz
Here are some samples you can use with other unpitched percussion instruments.
Here is a really simple but useful Triangle Sample
Maracas and Cabasas Sample (extremely stupid and unuseful but felt like posting it anyways)
Percussion Sample 4.mscz
Please comment any other samples you have that you could use.
NOTE: I KNOW THAT EACH ONE OF THESE IS EXTREMELY UNUSEFUL :L