+1 on the spare fuses, extra tarp/blanket for staying dry/insulating against hot tarmac, the silicon tape from Duluth Trading Co..
I also recommend a tire plug kit, have plugged mine at least a dozen times over the years and never had one fail in plug afterwards. A good air pump that runs off the lighter is a good suggestion too, I tend to perfer this set up over fix-a-flat any day of the week.

-Bill Liptak