Default Thumbnail Plus

Automatically display a default Post Thumbnail image, either the first image attached to a post, or set default images for specific categories, tags, or custom taxonomies. Supports custom fields to ease upgrading.

Includes the SLT File Select plugin created by gyrus (http://www.babyloniantimes.co.uk/index.php?page=donate)

Documentation

See documentation at http://www.pjgalbraith.com/2011/12/default-thumbnail-plus/