I have learnt a new method of animating buttons in Storyline 2. By creating gifs using basic shapes in PowerPoint I was able to make the buttons in the presentation below animate on hover over.
Turn your sound on to get the maximum effect
Here is how I did it:
First I created the original state of the image on Powerpoint using basic shapes.
I then added a large transparent square behind the image and saved both of these in a folder calling the picture "1". (adding a large square behind is important so that all your images will be the same size and wont grow and shrink during the animation.)
I then manipulated the image slightly by moving some of the shapes around a bit. For example in the lubricants and sprays button I moved the lever on the bottle back slightly. and added some blue lines for the water effect.
I then saved this new image with the transparent square still behind and saved them as "2"
I then repeated this for every frame of the animation. (To make the GIF's look as smooth as possible I only moved the image one or two millimeters at a time between frames)
I then imported all of my pictures the site http://gifmaker.me/ for the bottle I had around 20 different pictures. (by numbering my pictures at the earlier stage it meant I could import them all easily and I wouldn't have to change the order of them.
Then I changed the animation speed and downloaded it in a GIF format.
On Articulate Storyline I then added my starting frame of the Gif as a picture and then added a hover state to it. On the hover state I inserted the GIF.