The SeafordShow Watermark application will ask a few basic questions then will create watermarked movies. The three SeafordShow Applications are easy to use - containing step by step instructions.
Extra graphics application not required:
Prior to creating fourth application is required to create your own watermark for overlaying an image on a movie, however instructions are included with this Application Suite on how to successfully use Preview.app that is a standardised application on all Apple Mac OS X installed computers. If you have access to Adobe Photoshop - all the better.
SeafordShow Playlist & SeafordShow Player:
These two applications are simply one application that creates a playlist of movies and the other application presents the movies of the playlist in Quicktime in full screen mode. Use movies with the same resolution. If there is a variance in movie size or you wish to make a playlist of FLV filetypes - convert movies using SeafordShow Watermark.