The app to count bounties might need to be resized to fit the new boundaries. Since the answer was deleted by staff - I wanted to put it here in case someone wants to step forward or re-implement this as their skill set and time allow.
- The current app runs on heroku at https://stack-exchange-dynamic-ads.herokuapp.com/apple.stackexchange.com/bounty.png
- The current code is available at https://github.com/51cards/Stack-Exchange-Bounty-Ad