Currently we support file types .jpg  .gif .png  and .swf in standard IAB media formats:

• 728 x 90  (Leaderboard)
  
• 468 x 60  (Full Banner)
  
• 300 x 250 (Medium Rectangle)
  
• 160 x 600 (Wide Skyscraper)
  
• 120 x 600 (Skyscraper)
• 120 x 240 (Vertical Banner)
  

Max file size is 300kb.

We will be supporting flash in the near future.