change it to "pixel.jpg?xxx", where xxx is a random nonsense.
That way, the browser is forced to load each one INDIVIDUALLY, and not use the cached one.
( Dave Trouser ; the people's choice - 75% agree, Mon 26 Jan 2009, 15:42, archived)

I suggest doing it on QOTW.

(__, Mon 26 Jan 2009, 15:49, archived)

I support this in no way
*chortles*
( Mykeyboy A massive, salty filing cabinet, Mon 26 Jan 2009, 15:55, archived)