If you see two thumbnails in the outline pane and they are connected with a gray
line then the top one is your Slide Master and the second on is the Title
Master. The Slide Master will be applied to all slides except a slide that has
the "Title Slide" slide layout applied to it. Any slide that has the Title
Slide layout applied will adopt the Title Master design.
Go to Format > Slide Layout and the task pane will show the available layouts.
Hover over them with your cursor and you will see each of their names.
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Sonia Coleman
Microsoft PowerPoint MVP Team
Autorun Software, Templates and Tutorials
http://www.soniacoleman.com