it's just a guide
basically either of those sizes are fine.
Basically erring on the side of too big is good as you said squashing is not a problem. Scaling up a 280px image is.
(
rob,
Fri 3 Feb 2006, 15:12,
archived)
Alrighty then.
*Opens up a 10,000px x 15,000px psd file*
*computer crashes*
Bollocks.
(
Naive Amoeba Bored Cig,
Sat 4 Feb 2006, 15:13,
archived)