AH.. how to convert files in Magos...
here. First, go to File ----> Open and ipen blp file, or if zou want graphic file, then go to All files, so you can open your tga file.
Then go to Windows -----> texture manager
Right click over filename.tga then click export!
ATTENTION: When exporting it you must wrote full name including .extension.
For example you want your skin.tga to be blp, then when exporting you must write skin.blp
so he can convert it!