On Tue, 15 Nov 2011 19:16:47 +0100, Michael Collinson wrote: > The numbers: > > http://matt.dev.openstreetmap.org/treemap.png - each square > represents one user, weighted by size of contribution. > Green=accepted, > Red=Declined or has not responded. This displays an 800x600 grey image with black border for me. Maarten