8-bit png file , if your saving it with photoshop, goto save for web, select png and 8-bit
script should read
PHP Code:
//#CLIENTSIDE
if (created){
addtiledef2 lyoko_shadowtiles.png,lyoko_osl.nw,0,0;
}
that script will replace the entire pics1.png with your tileset, the x and y you use when not replaceing the entire tileset when only replaceing a specific area like ..
PHP Code:
//#CLIENTSIDE
if (created){
addtiledef2 lyoko_shadowtiles.png,lyoko_osl.nw,1024,96;
}
that'll replace your inside tiles if im not mistaken on my x,y