One of the main build in features of Articulate Storyline are scrolling panels. Scrolling panels can be used for all kind of stuff that don't fit well within the space on your slide, especially for large amounts of text and large images. One of the most requested updates within the Articulate community was the possibility to change the look and feel of the build in scrolling panel.
One of the last elhchallenges David Anderson was focused on sharing your own stockphoto's. The use of this kind of images can be a good starting point to add visual elements to your eLearning course, but at the other hand it is very challenging to combine these photo's with the other images. Especially if you are looking for a certain visual consistency in your training