Many other people have written high quality tutorials. This page will collect links to some of those.

Tutorial sites:

• http://www.gimptalk.com/
• http://www.gimpusers.com/
• http://web.archive.org/web/20080206133322/http://gug.sunsite.dk/
• http://blog.patdavid.net/p/getting-around-in-gimp.html
• http://gimp-master.moy.su/

Single tutorials:

• Adding film grain to images
• Colorizing black and white sketches
• Creating Simple animations
• Creating icons
• Creating a detailed sketch out of a photo
• Creating minimalistic sketch out of a photo
• Smart sharpening of images with edge sharpening - Sharpens images without the noise
• Blending exposures - Allows for the best parts of two similar images to be integrated
• Recovering highlights - Fixes photos that are washed out in certain areas
• Adding a dreamy feel to a photo
• Sepia toning - Like black and white, but with a different tone and feel
• Contrast masks - Can enhance the feel of photos and give them a nice tone
• Camera noise removal - Removes noise from digital photos
• Selective colorization - Colorize parts of an image, leave the rest black and white
• Converting images from color to black and white - Detailed tutorial
• Batch image processing - Automatically process a bunch of images in the same way
• Creating a stone texture
• Create iText - Create shiny, Mac-like text
• Create chrome text
• Create fractal backgrounds
• Create the Web 2.0 wet-floor-effect
• Creating a "Neutral density filter" - (Fix dark lighting)
• Change the focus - Blur the background to accentuate objects the foreground
• Make photos look as if they were vignetted - Simulates having used a wide angle lens or lens hoods
• Creating a website layout with GIMP
• Creating lightening particle-like effects