Rob Redding wrote:
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Gif is by far the best algorithm for as seen above,
but there is a fly int the ointment..
to use gifs , the program you create them with has to have a licence from Unisys ($5000)..

Freeware does not need a license as far as I remember. Shareware does however, but I have never seen shareware without the required license (unless it's very old - from before Unisys started making trouble).

But if Unisys scares you, you are free to use the PNG format, which has even better compression (for low colour images - not photos)...

Best regards,

Mikkel C. Simonsen