So yeah, I used a sepia effect on tilesets, to see how it'd be in-game , the tilesets are suposed to be like this (see first thumbnail below) :
I put this in the script :
//#CLIENTSIDE
if (created) {
addtiledef pics1test.png,#L,0;
}
And here is the result (see second thumbnail below) :
O_o, I need some help
.