Here are a few pages that might help you:
http://www.phpriot.com/d/articles/da...ages-in-mysql/
http://www.w3schools.com/
http://www.weberdev.com/
Ok, you set up the database, so that is a start. So, what do you want to do next? Usually, I would have setup an admin account, and a user account. User account has minimial permisions (ie: select). You can give update to the user, but only if it is actually required by the user, and make sure that the update statements are secure, so SQL Injection is not possible.
Where are you trying to put the images? Where are they now? How many images are there?