This site is designed to take advantage of CSS. If you are seeing this, CSS must not be available or enabled in your browser. Everything should still work, but won't be as pretty. :)
The data is stored in the preferences file, in your Preferences folder. In version 1 the operations were stored externally, but that file is no longer used after upgrading to version 2. The location is as follows, where "~" means your home directory:
"~/Library/Preferences/com.dejal.blogassist.plist".