Hi there.
The MD-11 has 2 fowler-type flaps (inboard and outboard) and 8 slats on each Wing.
I hope this linkage to two of my pictures will work:
http://img72.imageshack.us/img72/6005/xxcl173xt.jpg
http://img63.imageshack.us/img63/3869/xxcl187hf.jpg
These flaps are extended to the max. landing position (50°).
Cheers,
Loofty.