: Forrest, try to replace "frame" with "bitmap" and see if
: you get different results.
Nope, that crashed Aleph.
I figured out what it was though. The indexes for the media are not the same as the indexes for the textures sets. Media goes water-lava-pfhor-sewage-jjaro, textures go water-lava-sewage-jjaro-pfhor. So when I was telling the Pfhor goo (media 3) to use the Sewage texture (from set 3), it just didn't have that texture loaded, hence the smear...
I discovered two other things of note doing this. 1) That transparent media doesn't work when you do this (whether or not you're also using texture replacement; I checked to be sure that wasn't it). I tried to fix that by using texture replacements with a mask, and discovered that 2) media alpha masks are 1-bit bitmaps; that is, it's either transparent or it's not. I tried this with "transparent media" both on and off in Aleph.
Are these bugs? If so, where should they be reported?