Walkthroughs for custom maps.

Nat12, it is very important to accurately specify which map you are referring to (by providing a link to a page on any website with a map collection, for example, maps4heroes.com). There are at least 20-30 maps created based on "The Lord of the Rings". The most famous ones are this one and this one.
Also, for clarity, you can attach a save file and/or a screenshot.