gfx/env/us_bk
gfx/env/us_up
gfx/env/us_rt
gfx/env/us_lf
gfx/env/us_dn
gfx/env/us_ft
sprites/fire2.spr
sprites/xsmoke1.spr
sprites/bluebeam1.spr
sprites/glow01.spr