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.
They may have a stylish, colored steel roof system, but other than that you can't tell them apart from a conventional house inside or out. You can even choose to use non-metallic materials for your walls and roof, like shingles and brick or stone.