For this tutorial i will be using a piece of software that i made. You can find a tutorial / guide to that here: http://www.instructables.com/id/How-To-Manage-Project-Costs-etc/
This tutorial will guide you through how to make an effective materials list with a piece of software that you can then put on instructables. The list will be saved in a .txt format from the software so you can just copy it from there into your instructable !!!
Latest version of software: http://www.megaupload.com/?d=9TT3PAI7
Now there is an editor !