Gyazo has a minimal user interface consisting of a small set of options available by right clicking the taskbar icon. Launching the application displays a crosshair cursor with which the user selects the area to be uploaded.
Surprisingly, many people think of metal roofs as having limited color options. Perhaps they think the color matches the type of metal. Silver for steel, tin and aluminum; reddish-brown for copper; dark gray for lead. As if those are the extent of the color options.
Metal is a very common material used for roofs. There are many different types of metal roofing systems available. The types of metal used with available systems varies from zinc to steel, copper, aluminum, and tin.