I officially completed my spec script yesterday for the Disney Writing Fellowship.
Woohoo! Very excited. I will find out in December if I have been accepted into the program.
Also, through the Fellowship I learned about the Writers Guild of America, East, where you can REGISTER your script and thus have legal protection against anyone who tries to steal your work. Script registration costs $22, is instantaneous and lasts for 10 years.
To register your script, go to http://www.wgaeast.org/