This has probably been adressed a bazillion times, and I'm sorry for asking it again if so.

I bought a 1G SD card for my BB, put it in, moved a crapton of my pics and ringtones to it in an effort to regain some of the internal memory, only to discover that even after I moved all that stuff, it still shows me having no space! How do I get the thing to acknowledge all the moving I did? Thanks in advance!

The first thing would be to pull the battery out while it is on, leave it out for about 10 seconds, then put it back in. Also, follow the recommended steps here: Why is my BlackBerry losing its call logs or message logs? - BlackBerryFAQ

Battery pull?

Go in and make sure the files aren't still there. Did you cut and paste or copy and paste?

Better yet, make sure you didn't copy shortcuts instead of your actual files. I can't help but laugh when people hand me a backup disk full of shortcuts to files they "copied" off their desktop.