Some General Links--just in case you get lost! 

Second Life Website:

http://www.secondlife.com

Direct link to new account sign-up:

https://join.secondlife.com/

SLURL to Randall's house on EduNation (While SL is open click on the link below, then click "teleport now" on the new window that comes up.  Use the "teleport" landmark that opens in SL to get to the house.):

http://slurl.com/secondlife/EduNation/92/235/23  

SLurl to Southern Illinois U. Island:

http://slurl.com/secondlife/CoLA Media Center/174/83/24