While add-ons or plug-ins can give your browser additional functionality but at times one would feel the urge to make it more lively by adding backgrounds, etc. Canvas, a Firefox add-on that lets you add any image to your browser theme lets you do exactly that. Whether it’s an image in your hard drive or one from a web page just point, select and add it to your Canvas. Here’s how you can do that once you have downloaded the add-on:
From Computer:
