A plugin to open vtf files in GIMP.
Developed by lxndr.
If you are using ArchLinux, there is a PKGBUILD.
For Ubuntu and based OS you will need the following packets:
libgimp2.0-dev
libgtkmm-3.0-dev
libgtkmm-3.0-1v5
After, compile with:
make
then move file-vtf
to your GIMP plug-ins folder.