"pngcrush is an excellent batch-mode compression utility for PNG images. Depending on the application that created the original PNGs, it can improve the file size anywhere from a few percent to 40% or more (completely losslessly). The utility also allows specified PNG chunks (e.g. text comments) to be inserted or deleted, and it can fix incorrect gamma info written by Photoshop 5.0 as well as the erroneous iCCP chunk written by Photoshop 5.5." Perhaps we could add comments that tell that something like "this png is used in an open source RPG crossfire. http://...". :-) -- BSc. Pertti Karppinen < pjka at iki.fi > |'Bridge Players | Systems Designer, University of Jyvaskyla, Finland | Do | http://www.iki.fi/~pjka/ | Office : +358 14 260 2088 | It | HAM: OH6KTR QTH: KP22UF | Cellular: +358 40 564 0786 | on the Table' |