Do you want to search for content that were freely available. Here is a search engine which exactly does that.
http://opencontent.org/ocwfinder/
Sorry I don't think this qualifies as a tutorial, but I couldn't find any other place to post it.
http://opencontent.org/ocwfinder/
Sorry I don't think this qualifies as a tutorial, but I couldn't find any other place to post it.
