Here is my first WordPress plugin. It is a simple filter that looks for the string “asin:” followed by something that looks like an Amazon ASIN number. It replaces that string with a valid URL to that item on Amazon. It also adds a page to the Options menu that allows you to specify an associates ID if you have one. This makes it easy to link to items of interest, and get credit for it.
Download ASIN Link plugin. You will need to rename it with a