We came across this beautiful prayer by Jimmy Orr from Church.co.uk in London, published on www.engageworship.org which you might find helpful as you remember 9/11, and its lasting effects, on Sunday.
Find it and accompanying powerpoint visuals to use in corporate intercession at http://engageworship.org/ideas/9_11_memorial_prayer
Please also pray for Libya this weekend, where the intensity of fighting continues to increase.
Lord Jesus, in your precious and merciful name, bring your peace.