Below is a series of youtube links to create EJB3 project:
Part 1: Creating the local WebSphere Server - http://www.youtube.com/watch?v=T_CH1tCgl-E
Part 2: Creating the Enterprise JavaBean project - http://www.youtube.com/watch?v=nN3Fh-mv7EQ
Part 3: Writing the JavaBean - http://www.youtube.com/watch?v=COqhqDZa0ko
Part 4: Creating the Apache Derby database - http://www.youtube.com/watch?v=P2QbNGof8V0
Part 5: Setting up the Java Persistence API - http://www.youtube.com/watch?v=MPTVWIhUYLU
Part 6: Implementing the Enterprise JavaBean - http://www.youtube.com/watch?v=EjetxsO8Ssw
Part 7: Creating the Web project - http://www.youtube.com/watch?v=5BOQRxLCjQs
Part 8: Creating the servlet - http://www.youtube.com/watch?v=OOJVDJ1uLfw
Part 9: Running the Web project - http://www.youtube.com/watch?v=-RqTb3NxpHA