While generating images, you can add different types of backgrounds to make them more attractive. You can use gradient background, solid background, or image. If you want to download image of the tweet without any background, you can also choose this option. If you choose to select an image as background, a list will be offered, and you should choose the one you like within the options from different categories such as fancy gradients, abstracts, desk, code, leaf, wood, rain drop images and so on.