Awesome:
Do you have dimension specs for the 'standard sizes?'
What format? JPG / PNG / GIF? Is there a max file size?
Send me banner ads of various standard sizes, and I'll put them in the ad rotation. Also include a link to your site. Doesn't matter if you are open right now.
Add an explanation on your site of your status and plans for the future.
How much are paying ad rates?