1. Could I munge two worlds at once?

2. What does this mean?

Rhn1_prop_floor_01_bump.tga.option

1. No, not unless you have more than 1 world folder, like world2

2. Thats for bump-mapping, the higher the number, the higher the level of bump.

BF2_Tools\documentation\misc_documentation.doc

I'm posting this for the community as a whole and am not pointing out any one person, but read the documentation.