Gimp just seems to be a buzz topic lately. Since I have searches pouring into my site to find the five or six little Gimp tutorials I have, here is a whole list of resources from my personal bookmark list, covering everything from beginners to intermediate to expert advice:

It is a collection of scripts and plugins for The GIMP. The name is based on the webpage GIMP Plugin Registry, where most (new) plugins and scripts are listed. So far the package ships with 170 scripts/plugins.

On my sort of GIMP vs. Photoshop post, a lot of people through comments have expressed that GIMP is highly capable graphics design/editing software that can be used professionally.

One of the best thing about Gimp is that you can do a wide range of things with It. Today I’ve collected 10 useful GIMP video tutorials, so If you are a fan of Gimp this is the right post for you.

GIMP Paint Studio is a package that comes with new tools and brushes, designed to improve the drawing capabilities of GIMP. GIMP Painter adds some color blending and line smoothing features [...]

"The GIMP documentation team just announced that they released the new version of the gimp user manual. Version 2.4.0 is now ready for download and comes with these improvements..."
http://www.gimp.org/
ftp://ftp.gimp.org/pub/gimp/help/

GIMP, the GNU Image Manipulation Program, is a long-standing and hugely respected open source graphics program, and many readers probably already use it. Originally created at U.C. Berkeley its interface and feature set run neck-and-neck with expensive proprietary alternatives such as Photoshop, and it has a thriving community of developers and plug-in creators.

There are lots of scripts to the Gimp, which simplifies your image editing. Gimp FX Foundry has merged a whole lot of different scripts to a collection and where you will find the most you will ever need for your image editing.

The vector editor Inkscape is what some might call a best-kept-secret among open source projects. Here are a collection of Inkscape resources you may find helpful in learning Inkscape and in expanding your skill set.