I use exclusively Adobe Photoshop Lightroom for processing my photos. I upgraded to version 1.2 some time ago and try to keep an eye on the huge amount of articles and tutorials published about this tool.

Recently I came across a collection of Lightroom presets with video tutorials explaining their usage by Jack Davis. Presets are image manipulation settings that are stored and can be applied to any picture.

There are two things that I especially like in this functionality:

1. The way the effects of a preset can be seen as a preview (see the srceenshot below)
2. And the openness of the preset descriptor file format. These files are plain text files with easy to understand structure. They can be modified even manually. (The location of these files on my computer is C:\Documents and Settings\…\Application Data\Adobe\Lightroom\Develop Presets) This file format makes it possible to share your presets with others (through for example lightroompresets.com) without any restrictions or even use presets developed by the pros.

More on presents: Inside Lightroom - Colour Presets.