Three more:
http://forums.x-plane.org/index.php?/files/file/34519-ixeg-737-300-rio-cargo-livery/
http://forums.x-plane.org/index.php?/files/file/34481-gol-new-colors-livery-for-ixeg-737-300/
http://forums.x-plane.org/index.php?/files/file/34480-gol-livery-ixeg-737-300/