Matt, before it dries have you thought of coating sand or flocking on the clay? When it dries it would have a more natural texture that way to paint...
Oops, sorry I missed this. Yes, a multiple set of special damage icon markers (with a blank back) would be handy to have. A couple of blanks would be...
Wargamer from the old days and historical re enactor of the middle ages. Member of the SCA for almost 30 years. Do leather and armor work between painting commissions. Sometimes even LARP a bit to keep things from getting too rusty. Bit of a pack rat so keep everything I play, so this means a closet full of Avlon Hill, SPI, Yaquinto< and assorted other wargame companies, D and D 1st ed on up, Every Traveller LBB for 1st ed, and minis out the ears.