How To Install GIMP 2.7 in Ubuntu Jaunty and Karmic From a Launchpad PPA

The release of GIMP 2.7.0 is a first step towards GIMP 2.8, the next stable release. Please note that this is an unstable development snapshot and read the GIMP 2.7 release notes. Actually, in the following repository, the current version of Gimp is 2.7.1 already. To install it in Ubuntu, just copy & paste the following commands into a terminal to add the Launchpad PPA repository: