My beloved Rebel XT got damaged recently. It was crushed. 
Here is the damage:
1. Flash head is damaged. Flash does not fire, but you can hear it trying to flash when you engage red eye mode, etc. The flash does pop up, but it does not work. The flash holder with the words "Canon" is bent out of shape, but this does not affect the overall usage of the flash. Hotshoe works fine.
2. Inside the viewfinder, you can see a lot of debris of crushed plastic which looks unappealing, but does not affect the image in any way. Photos come out okay.
Here are my questions:
1. How do I fix the pop-up flash so it will work again? Not a big deal, but this camera has been relegated to backup/beater status, and I'd like to have the onboard flash working again.
2. How do I clean the inside of the viewfinder to remove the fine debris in there?
Photos below:
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