Royal Mail has produced a series of special Genius of Gerry Anderson desktop wallpapers to complement their spectacular first day covers.
The wallpapers are available for everyone to download, but have yet to be widely advertised. Be one of the first to download yours!
Six different designs are available, featuring the Captain Scarlet, Thunderbirds, Joe 90, Fireball XL5, Stingray and Supercar stamp designs.
Choose your design and fill out your details on the site to yours.