Robin Good: Mural.ly is an infinite visual canvas that can be used to create visual maps, digital posters, collections of information resources, images and video clips.
Mural.ly makes it particularly easy to search the web and to import any image, video or content clip you decide to use.
Presently in invitation beta.
Find out more and see work created with it here: http://beta.mural.ly/ ;
Via Robin Good