The Mailorderbabies site now has a set of 6 Porcupine Tree art prints.
From the description.
"Long-time collaboration and friendship with progressive-rock group, Porcupine Tree, has resulted in numerous art pieces through a span of over ten years, especially resulting in the recognizable images used for their album covers. These iconic images were printed for an exhibit but were never selected to be part of the exhibition. Instead, we are offering them for sale in an exclusive single edition. All prints are hand signed. The artworks are 35cm x 35cm and 30cm x 45cm in square and rectangle shapes, respectively. Prints will be hand packaged and carefully placed in secure tube for shipment. For further infrmation, please contact email@example.com"