Reverting LG GT540 to its old interface
If you're on Globe, then I assume you're in the Philippines. (Same here)

Check this out: http://www.droidevelopers.com/f236/11721-%5Bdownload%5D-%5Bfirmware%5D-lg-optimus-gt540-original-roms.html. It has a ROM for Philippines, and instructions on how to install it.