Gwyn Teatro has a super blog at the link below with resources for the times when someone else is leading the change and you want to do the best for your people and you. I suspect we have all been in this position and know just how frustrating it can be. Follow the link and read wise words from Gwyn!
http://gwynteatro.wordpress.com/2009/04/20/making-change-happen-when-youre-not-the-boss/