For more tutorials for gimp check out http://www.gimpedtutorials.com
In this video tutorial for gimp, I teach you how to use layer masks, and layer modes to convert color to black and white in a selective and powerful manner. Check out the video below for a detailed description on how to convert color to black and white with descriptions on how each tool works.
Turn your mainstream photos into retro coolness. This Photoshop video tutorial will show you how to apply a retro photo effect using professional non-destructive editing techniques. To follow this tutorial, you’ll need Photoshop CS3 or newer.