How can I fix my Canon SD600 digital camera so that its lense will retract again?

I dropped my camera and the lens will no longer retract.. Furthermore, when i look into the lens, it seems like something is not aligned anymore. I do not know the technical term for it, but i guess it is where the light goes in (shutter? aperature?). Help?

Try going to the Canon website. I had to go there for answers to my Canon Powershot S3. Also, try DigitalCameraHQ website. You will find your exact camera and people who have them who will help answer any questions.