I just installed your plugin and really like how you did the icon's etc. I was noticing that I had the option to display file size enabled, but it appears that doesn't work. It seems like when you migrated the css to the header you never included a way for the filesize css to be displayed. Unless I'm missing something and have to use Asynchronous Replacement, but I thought it would work without it. I also tried Asynchronous Replacement and that didn't seem to do it either.