Not sure if this belongs here or in another section, but I've just posted a quick tutorial on Understanding Pligg Template Files. If you've peeked into the .tpl files and had a hard time deciphering what you were looking at, this short tutorial might be helpful.
I would appreciate any feedback on whether or not things are clear. If there's interest, I might do another tutorial on how to hack the .tpl files to customize an existing template.




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