By the by, that's a lovely little texture map for checking maps with. Think you could post it somewhere? (Also by the by -- I kinda understood this weird behavior a while back -- Carrara 2.0 back -- but at the time I was basically exporting parts of models and fixing everything in UVmapper. Since I've migrated to OSX, tho, UVmapper has joined the long list of programs that no longer work very well with the new OS. Add to that the actual UV Mapping Room now in Carrara, and I've been back in there trying to make decent all-on-a-page, human-readable, UV maps for complex complete models. And it's taken me until now to really remember just what kind of wackiness Carrara's cylinder mode was throwing at me.)