[adamlau]

About as lean, mean, simple and clean as they come:

Pixel Size: 1 x 1
Resolution: 72 x 72 ppi
Color Space: Grayscale
File Size: 80 bytes
File Type: PNG

[SpectreBlofeld]

1 pixel by 1 pixel? And you zipped the tiny 80 byte file, which increased the download size to 245 bytes?

I don't get it...

[Iare Tosevite]

1x1 pixel? tiling would be amazing crazy. I suggest 50x50 pixels, which is slightly bigger but 50*50 less tiling.