here are some websites i used to download or copy some ideas
party check list:
http://www.partyshelf.com/planning_guide.htm
printables:
http://www.atozteacherstuff.com/Printables/Printable_Books/index.shtml
http://partysupplieshut.com/
http://www.printactivities.com/Theme-Printables/Birthday-Printables.html
invitation wordings:
http://www.noteworthynotes.com/kids-birthday-party-invitation-wording.asp#first
http://www.classyannouncements.com/index.asp?PageAction=Custom&ID=18