Andy,
Very glad to hear you're liking things with JFBConnect.
As for the Like/Share buttons, there used to be a lot more flexibility that Facebook allowed in customizing the looks of those buttons. Unfortunately, that power was abused by some websites to make the buttons pretty much unrecognizable (which allowed them to be abused for click fraud). Because of that, there are tight restrictions and lots of limitations on what can be altered about their appearance.
Right now, the only options available are a "Light" and "Dark" color scheme. Beyond that, there's nothing (color-wise) you can change about the buttons. Other options are the layout (standard, button count, box count, etc), but that's it.
If there was something specific you were looking to do, let me know, and we'll gladly tell you if it's possible.. but it unlikely is
Is the Autotune issue fixed with v5.2.2 yet?
Yup! Sorry about that. It was fixed on our server end of Autotune, which means that a new release wasn't required. Basically, v5.2.2 had some minor updates that were required due to updates in Facebook's API. We simply forgot to upload the new version of Autotune to work with all those updates when v5.2.2 was posted. Silly mistakes!
I hope that helps, but should you have any other questions, feedback or comments, just let us know.
Thanks,
Alex