I can't quite tell what you mean; perhaps you want to decorate the choice with an image after the choice has been made?
That said, you probably want to look at the "Custom Events" section of the docs. I suspect one of typeahead:cursorchanged
, typeahead:selected
or typeahead:autocompleted
will help. As usual, your callback receives the event, from the event you can dig out whatever you need.
I wouldn't worry about a deep rabbit hole. It's a simple library, you'll probably be able to figure out fairly quickly if what you want is possible.