#1: spikes2.itm...will set the Palms/torches/spikes in the levels.
#2: ammo3.itm ..will set ammo,medpack,flares AFTER "spikes2.itm"
Probably the best .itm file to use, it'll give you much of the game
yet still allow you to set the Main "Enemies" of the game later
naturally, you may want to set all of your own enemies/pickups/doors..