You can transform the look of any field with jQuery - there are heaps of resources online about this that you can search for to make your fields look however you want.
You don't 'embed' the functionality in to SEBLOD. You just need to load the jQuery plugin in your template or template override and use the ID of your field as the selector.
Yes indeed, this would be a nice feature and we are working on it! It will be possible at some stage probably next year with the release of a SEBLOD add-on which allows you to customise some aspects of form display output (among other things).