PHP, MySQL developer need to replace text badges with graphical badges

I have a question and anwsers website, need to change some thing in my website. Each user in my website has their own profile page. At the end of this page, it will show the badges that user earned when they use my website. Currently it's just a name of badges, I want to change it to image. So your job it: 1. replace badges on user's profile page with images 2. replace badge names on Levels & Point System page with images 3. edit badge email and include the graphic for the badge in the email