Hi All, I discovered today having the color #F0F0F0 within a image causes it become transparent. #NoTrayIcon #include <GUIConstantsEx.au3> GUICreate("AutoIt Test", 500, 500) GUISetBkColor(0xE0FFFF) GUICtrlCreatePic(@ScriptDir & "\Test.bmp", 0, 0, 500, 500) GUISetState() While 1 Switch GUIGetMsg() Case $GUI_EVENT_CLOSE ExitLoop EndSwitch WEnd From other