A while ago I made a quick bookmarklet that could be passed a URL and it would harvest any microformat information from it to create a citation. It was neat, but thinking further it would be great to have a formatted interface for just making a post anywhere. I mean, part of why making my blog a Bitbucket powered thingy was that I can log into Bitbucket anywhere and add a file/media etc. But there is something to say about a nice interface than having to remember all my metadata options.
Here's an attempt