You would need to write a php script to do this for you. It would read the information from your profile page, then generate an image.
This forum is for the development and discussion of phpBB styles, so you'd probably be better off finding a PHP board.
Just so you don't walk away empty handed, try Googling these:
PHP screen scraping
PHP image generation
If you still can't find what you're looking for, shoot me a PM, I've done something similar for a dynamic signature.