...for PostXING that I should have added a long time ago. It only took roughly 40 lines of code (including gratuitous whitespace). I'll give you a hint on what it is:
There are a couple of other things that I would like to implement before uploading a new release, tho. For example - I don't see a good reason why you shouldn't be able to post/publish/cross post from the preview pane. Also, Joel Ross gave me the spectacular idea of using existing IBlogExtension plugins to make posting to blogs other than .Text or some other Metablog API enabled blog engine not only possible, but extremely easy.