Now Gleeok, you know as well as I do that using canned code does not mean using it as is. If it did, all users of XNA Game Studio's Platformer Starter Kit would be generic, non-scrolling platformers about Indian Jones ripoffs collecting yellow gems............

Or to make a long story short, if there's pre-programmed hash maps, why not pick the one you like best, and mod it? Modifying it still makes it customized, but saves the headache of starting from scratch.