read h testimages/halo3.tga
read f testimages/alphafuzzyframe.tga
rotate h 45
composite f over h 60 60
crop h 60 60 339 339
blank b 600 600
fill b 0 0 599 599 255 255 255 255
composite h over b 160 160
rotate b -45
crop b 100 100 499 499
write b out.tga