Lightroom presets are a quick and easy way to make adjustments to photos. I’ve found it most helpful when looking at a series of photos with similar color/lighting profiles to quickly play with adjustments and quickly apply them to all of the photos. Here are some sites that offer free presets, and information about installing and using presets in Adobe Lightroom:
Adobe’s Lightroom Develop Presets provides a variety of presets submitted by users. There are free presets, and presets available for purchase. Sometimes photo samples are included in the preset description, and the comments tend to reveal who the preset is geared towards and most useful for (amateur, macro, landscapes, etc).
Seim Effects Lightroom Presets also provides a number of free presets and presets for purchase. Many of the presets are accompanied by a video sampling how to apply and adjust the presets.
Adobe Photoshop Lightroom Killer Tips is another good source of presets. The site is run by Matt Kloskowski, and for each preset he provides a thorough description usually outlining when and for what photos the preset is most appropriate. Each preset comes with three options for the intensity that the preset is applied to the image with – light, medium, strong.
And last but not least, onOne Software‘s lightroom presets. The onOne Signature Collection Presets is a massive collection. I only added the presets that I thought would be most useful to Lightroom to keep from cluttering the sidebar.
And here’s a video by Seim Effects on how to install and manage Lightroom presets: