I am getting a lot of traffic currently from my blog entries being on multiple forums. For some reason, I had failed to change the structure of the permalinks to SEO Friendly URLs and I'm afraid that if I do it now, all the pages will go to 404 Page Not Found Errors. How can I prevent this from happening?
You can do it, jsut be sure to set up a 301 redirect in your .htaccess file. You'll have to find someone else to tell you how to do that specifically. I'm not too good at apache rewrites.