i've made a 1gb gif
the secret is in opening it as a txt file .. now not such a secret
but useful on bnp & iandilovehorse sites
(rigby happened on (and with added toothache), Tue 16 Jun 2009, 1:22, archived)

I use a text editor on my old Acorn that doesn't fuck up the format of the preceeding JPEG.
I could probably do it in a hex editor on this PC, but where's the fun in that?
( Dave Trouser ; the people's choice - 75% agree, Tue 16 Jun 2009, 1:29, archived)