Develop Private Advertising Plugin for bbPress

Develop a plugin which displays selected image ads across 2 combinations of 3 separate image locations. For example, Forum Homepage & Subforum homepage (Homepages) : Forum homepage, Subforum homepage and top of every thread (Run of site). Admin to be provided through bbPress admin panel with options to store 30 image ads, directing URL destination on or off, ad serving on/off. Homepages/Run of site options and change image function. Image size to be set as specified. Active ads to be served on equally weighted rotating impressions. To deliver this project, there must be no changes to core bbPress files.