A THM file is a thumbnail that is generated by a digital camera such as a Canon. It is an image that is basically a JPEG with file information embedded inside of it. A THM file cannot be converted ...
Adobe has released version 2.3 of their Camera Raw Photoshop Plugin.<BR><BR>The Canon 20D is not yet officially supported, but I believe the raw files are of the same format as the Canon 1D Mark II, ...