The Intel Graphics Installer for Linux is a tool developed by Intel that allows users to easily upgrade to the latest graphics drivers for Intel hardware. The installer automatically adds a repository used for upgrading the packages provided by Intel - that means that besides the Intel Linux Graphics Installer, you can also use the Ubuntu Software Updater, apt-get, etc. to upgrade the packages.

To help those who are used to Photoshop, +Martin Owens has created a collection of GIMP 2.8 tweaks that make it more like Adobe Photoshop.

Update: Prime Indicator was abandoned, but it was later forked, and it now includes quite a few new features. The Ubuntu PPA installation instructions in this article now install the fork (called Prime Indicator Plus). For more about Prime Indicator Plus, see this article:

Using it, you can get hardware acceleration on some Intel graphics cards for Mplayer (well, we already have mplayer-vaapi but it hasn't been merged) and even Adobe Flash Player (the Flash content needs to use StageVideo! - YouTube supports it for instance). That means a lot less CPU usage as you'll see below. 

The Intel Linux Graphics Installer is a tool developed by Intel that allows users to easily upgrade to the latest graphics drivers for Intel hardware. The installer automatically adds a repository used for upgrading the packages provided by Intel - that means that besides the Intel Linux Graphics Installer, you can also use the Ubuntu Software Updater, apt-get, etc. to upgrade the packages.

For those who are not familiar with the Intel Linux Graphics Installer, this a relatively new tool created by Intel that lets you easily install the latest video drivers for Intel hardware. The installer consists of a GUI tool and a repository that's automatically added and then used to install / upgrade new driver versions.