Is there a firefox extention that resizes LARGE pictures without disto

[bledd]

ie..

when you view this..

http://bleddyn.co.uk/pc/z5500b.jpg

it looks all distored (because its got bad coding in the resizing technique)

is there a way of fixing it, this is the only thing wrong with my ff now!

[bledd]

comes up like this until you make it bigger..

basically, if you resized in photoshop, you wouldn't get this, so it annoys me.