Well I have finally got my wiz so I wanted to start developing some simple games for it and thought I would use LibCastor as it is nice and small but when I try to compile it I find it is missing a png.h header file. Is this provided by a different library that I will need to install or is it just missing from my libcastor source (I picked it up from http://dl.openhandhelds.org/cgi-bin/wiz.cgi?0,0,0,0,19,13)