Here is how you determine your Gaggle username:
First initial, First 3 letters of last name, Last 4 of student ID #
Here is how you determine your password:
Your birthday in the following format - 01/01/1996 (including "/")
To login, go to http://www.gaggle.net
Click "Customer Login" in the upper right hand corner
Click on the link that says "Click here if your email ends in something different."
Enter your username (email@example.com)
Enter your password.