Hi Rod,
As for the Format field, this functionality is not yet currently running. It's been built into the system purposely because it will eventually function. We have plans of getting that up and running ASAP and will let you know once it's functioning. At that time we'll also inform you how to enter the formatting correctly, to give you the results you're looking for. In fact, I believe we're going to remove it from the wizard until the functionality is running so as not to mislead end users.
As for the Currency symbol field, this was previously working but something is preventing it from functioning properly. We're looking into it now and should have it functioning within the next few days. The way the it works is to simply enter the symbol itself, ie $ or £ into the field and it will show up to the left.
The Decimal Places field seems to be working from my tests and you are formatting it correctly. Please let me know if you cannot get it to work.
Hope this helps!