hi!
You have several examples explained in the reference documentation (in your seam installation directory you have a doc directory and there you have documentation in pdf and html) For instance pdf is in ..\jboss-seam-2.1.1.GA\doc\reference\en-US\pdf

In chapter one you have the following examples explained (Seam 2.1.1 version):
- 1.2. Your first Seam application: the registration
example
- 1.3. Clickable lists in Seam: the messages example
- 1.4. Seam and jBPM: the todo list example
- 1.5. Seam pageflow: the numberguess example
- 1.6. A complete Seam application: the Hotel Booking
example
- 1.7. Nested conversations: extending the Hotel Booking
example
- 1.8. A complete application featuring Seam and jBPM:
the DVD Store example
- 1.9. Bookmarkable URLs with the Blog example

And don´t forget that the rest of the chapters cover important Seam features and concepts.