I downloaded one from this forum last year which was absolutely perfect for my needs. Unfortunately, my HD recently died and I forgot to back it up - so just thought I'd see if anyone here still has it. I can only really describe it as: a sheet of metal mesh almost identical to the mesh on front of the Mac Pro towers (i.e. the "holes" were about the same size). It was a large image (probably over 1200px wide, I think) so it filled my entire MacBook screen easily. It was also fairly dark, almost black around the edges - but slightly lighter towards its center, like a light was shining there. Sorry, I know it's not much to go on - but thought I'd give it a shot! ps - this is the type of mesh I mean, but the holes were a little smaller in the wallpaper I'm looking for, and also the image was much darker: Actually the following is very similar to what I'm after, but without the Jaguar logo and with mesh instead of the carbon-fibre look.