Originally Posted by chinaV
I can do this in a text editor quite easily, but with vBulletin, it looks like I have to hunt down and modify every single post I made.
You only have ~250 posts. Guessing less than that with pictures. There's no general automated way to do this. Hell, Amazon S3 just added redirects after 5+ years. This is one of the reasons many geeks use their own photo hosting.