this might help
changeimgcolors index,r,g,b,alpha;
Index, the index of the shown image your trying to change
R,G,B is is red, green, blue, in graal we basically use 1 on or 0 off, but you can use decimals to change it too...
Alpha can be used for a few things, to change how the color looks or to make it barely appear
so if you want blue and the index was 1
NPC Code:
if (playerenters){
showimg 1,@BOYS,x,y;
changeimgcolors 1,0,0,1,.99;
}
this is simple but just and explanation