leenk.me empowers you to publicize your WordPress content to your Twitter, Facebook, LinkedIn, & FriendFeed accounts automatically.
Yes, the leenk.me plugin hooks into the schedule-to-publish action that WordPress uses when publishing a scheduled post.
Yes, just be sure to check the box to Tweet/Publish/Share/Feed all authors in the leenk.me plugins.
Yes, now you can. If you have a Personal account, you can add up to 3 leenk.me API keys each API key can support 1 Twitter account, Facebook Profile, Facebook Page, Facebook Group, LinkedIn Profile, LinkedIn Group, LinkedIn Company, Friendfeed profile, and Friendfeed group. If you have a Business account you can add up to 10 leenk.me API keys.
Feel free to use the leenk.me contact form and we will respond as soon as possible.
Yes, there is now a GUI interface for this in the main leenk.me settings, but if you can still use your own custom URL shortener by using the WordPress action hook 'leenkme_url_shortener' to change the URL shortener used. I wrote a post detailing how to use the bit.ly URL shortener.