Great Resources for Youth Pastors and Student Leadership. 

http://www.youthpastor.com/

http://homeword.com/

http://www.intothyword.org/pages.asp?pageid=56869 

(Character curriculum) http://www.intothyword.org/pages.asp?pageid=56858 

www.discipleshiptools.org (all can be used for youth talks and lessons)

Other great sites:

www.intothyword.org 

www.churchleadership.org

Also, 
www.pastortraining.org
www.truespirituality.org 
www.biblestudynotes.org
www.francisschaeffer.org 
www.biblicaleschatology.org
http://carm.org/