Having problems sending pics with my iPhone 4?

I had no problems last night but today it just says "sending… " forever then it finally says "delivery failed". I haven't done anything major since except i installed Totem Runner and Bejeweled Blitz and thats it. Any suggestions are greatly appreciated.

There are 3 things you could do to try and fix this: 1) Double-click home button and close all running apps(by holding them with your finger until they shake). 2) If closing apps fails, try powering off your phone, letting it sit for 2 or 3 minutes, then powering it back on. 3) If all of these fail, you could try backing up and then restoring your iPhone.

The problem is 3G is dying

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