What does this mean? So I do not do it again...

[whywoogy]

High server resource usage detected. Account will automatically be unsuspended in 15 minutes.

 

[Christopher]

Something on your site is using too much of the server's CPU and/or memory.
What scripts are you running?

 

[whywoogy]

i have a 5kb .css file i uploaded...a 1mb.psd file....and some .gif's

any suggestions??