Isnt it frustrating when you try to merge new slides to your PowerPoint presentation and the template completely changes?
When working on a business presentation in PowerPoint where someone elses slides need to merge with yours, its sometimes a good idea to maintain the original format of the other authors slides. This way, your slides can be easily distinguished from the other presenters. Fortunately, this is incredibly easy to do in PowerPoint 2007 or PowerPoint 2010.
This short Brainshark explains how to merge PowerPoint slides while keeping the original templates: