Rated 4 out of 5 stars

Από τον/την A A στις Δεκ. 25, 2009 · μόνιμος σύνδεσμος

No issues with smart folders anymore in patched version!

I use this version mentioned before:
http://www.file-upload.net/download-2098433/extra_folder_columns-0.4-tbDE-patched.xpi.html

Only one small issue: I can confirm display of 4KB for local folder. I hope this useful extension will bei updated soon. Only 4 stars because of the useful patch, which is not "official" yet.