I am using the Multi-steps Online Forms web part from the market place on Kentico 8.2 and it works fine except for alternative forms with file upload fields. This gives the error below in the event...

Display different content for fans & non-fans of your Facebook Page on a custom Facebook tab and edit this content directly from your Kentico CMS website.

Have a look at FaceBook Interaction auto publish bar, the Disquss Comments web part and JavaScript eMail Encrypter Munger.

UPDATED Here is what others blogged about it.