Simple GUI window. Trying to change background color to black. Using one the three metods, one at a time of course: - GUISetBkColor(0x000000) - $hDC = _WinAPI_GetDC($gui) _WinAPI_SetBkColor($hDC, 0x000000) - $label = GUICtrlCreateLabel("", 0,0, @DesktopWidth, @DesktopHeight) GUICtrlSetBkColor($label, 0x000000) The add JPG over the whole thing: $pic1 = GUICtrlCreatePic($img1, @DesktopWidth/2 - $wi/2, @DesktopHeight/2 - $he/2, 0, 0) The problem is the JPG has transparent pixels and I d