or bed bath and beyond for coasters:
http://www.bedbathandbeyond.com/product.asp?SKU=15808551
pepper grinder:
http://www.bedbathandbeyond.com/product.asp?SKU=14897879
then go to grocery store and buy some peppercorns...try a flavored kind
or combo salt/pepper...
and thinking about "gag" gifts I got to looking up the store Spencers...do you have one?
I found a neat pen with a lazer...everyone likes to fiddle with lazers.
http://www.spencersonline.com/product/light-and-laser-pen/
I think something like this would be neat...one of those window breakers, seatbelt cutter thingys...
http://www.colonialmedical.com/product.php?productid=23446