Believe me, I cringe every time I look at minis on GW's own pages that are holding torches with the flames being yellow on top, red on bottom... it looks horrible! However, I thought the lava bubble was correct. I could certainly be wrong, but my impression was that the bubble area being hotter was why it was forming and bursting in the first place, the hot gas escaping?
Don't have time to look that one up right now, but as for the belt, I've got a link already in my bookmarks that would address that:
Well, shit, one of the main sites I want has crashed, and according to the webpage message, they're still trying to figure out why their RAID array won't mount. Anyway, here's an image from another article I had on reflectives:
Horizon lines on a vertical tube run vertically. By circling around the waist, that belt is essentially a (very, very, very short) veritcal tube, so the principle still applies; it's the same reason why the reflection line runs vertically along the axe handle shaft. Better examples and explanations will eventually be available at
http://elfwood.lysator.liu.se/farp/meta ... ctive1.htm, but it's supposed to down while restoring a backup for another couple hours yet.