"Note: most of these maps need Maniac's map exporter/importer." Didn't know someone still used that dark >.> Rofl. Hell. I don't even have that program on this computer...
As for the checksum stuff "Once again, since virus wouldn't give me the checksum routines you will have to load it in actoolkit (You'll prob get a bad checksum error...just click yes) then click file->save and all should be good. :]" Seeing as I was too lame to figure it out at the time..