Use Windows Commands Upload File

navigate("http://www.usedokanagan.com/FormInsertUsedAdNew?selected_category_code=house-for-sale","Wait")
wait for browser event("Everything Loaded","")
wait for element(<class="dz-message rborder-full">,"","Appear")
click(<class="dz-message rborder-full">,"Left Click","No")
wait(1)
plugin command("WindowsCommands.dll", "set dialog text", "Open", "File name:", "C:\\Users\\Apichai\\Pictures\\2015-08-31_12-58-48.png")
plugin command("WindowsCommands.dll", "click dialog button", "Open", "Open")