Sci-Fi Door Background by Epitaph, Sci-Fi-Door-Background.nodes (2322) - A simple Sci Fi door with a keypad and a pipe to the side. even with minor editing, this background could be edited into something completely different.

Utopian Background (Node Infested) by VulcanMasterHD & Epitaph, Utopian-Background-Node-Infested.nodes (13542) - I saw Epitaph's comment of how he would liked to use a node infested utopian background so i made one! so i hope he see's this sorry i didn't ask for permission Ralph's edit: :O