Are you using 2D or 3D?
For 2D make sure you're using DrawImage and not DrawBlock...
DrawImage image,x,y
To make the white square transparent use MaskImage...
MaskImage handle,red,green,blue
...for white use red=255 green=255 blue=255
Something like this...
mousepointer=LoadImage("mouse.png")
MaskImage mousepointer,255,255,255
DrawImage mousepointer,100,200
For 2D make sure you're using DrawImage and not DrawBlock...
DrawImage image,x,y
To make the white square transparent use MaskImage...
MaskImage handle,red,green,blue
...for white use red=255 green=255 blue=255
Something like this...
mousepointer=LoadImage("mouse.png")
MaskImage mousepointer,255,255,255
DrawImage mousepointer,100,200