- Image Sizes: Leaderboard 1456x180 (will scale to 728x90) / Sidebar 600x500 (will scale to 300x250)
- Max File Size: 50K
- Permissible Formats: JPG, GIF (no flash, animated okay)
- URL: One URL per advertisement - click-through will open in a new window.
- Placement: Website, Newsletter, or both.
