I agree, we run GroupManager too.
I have set the sky to be red.
Works great except I have encountered a minor bug: [spoiler][/SIZE] I have the latest dev version of spout server and client.
So if I'm reading this right, can this plugin be used to mount ANY custom blocks? E.G. http://www.minecraftforum.net/viewtopic.php?t=282152&f=1032
Separate names with a comma.