Lots of videos! Check to see the version of ActionScript they're using - some of them aren't Flash CS5.5, but do have ActionScript 3, so, while the interface may look a bit different, the code will be the same.
range of different tutorials - including several for loading images / text from external files.
Check to see that you're looking at AS3 tutorials (some use older versions)
A set of tutorials for Action Script 3. Some of them are a little old, so predate Flash CS5.5, but, the ActionScript hasn't changed, so it's the same code; it's just Flash might look a little different.
Have a look at the windows 8 style, to get an idea of what might be a model for a touch screen; the actual company is a local Hampshire one who're doing a lot of interesting things.