with a few. First let's change the default animation from fade to slide. A vertical twist How about we add another option? Instead of the default horizontal slide animation, let's make it a vertical slide animation. Even though it's not the norm, it certainly adds some originality, and if you dig a little deeper into the advanced options, you will find you could have two sliders working together -- one side going vertically and the other sliding horizontally. FlexSlider styles It's always a good idea to open up the CSS when using any jQuery plug-in, so you can see what is doing what and perhaps customise the slider further. In this case we don't really need to do anything drastic. But one CSS rule worth pointing out is on line 35. These are the default styles of the background and they can easily be modified if needed. Final thoughts Image sliders play a major role in today's web industry, and should be a feature of any designer's repertoire. When you have an existing website with one that needs to be made responsive, having the FlexSlider plug-in at your disposal can save you an awful lot of hard work -- like any good plug-in should. I purchased edition 195 and tried this and the images do not vary as you state when you move the browser window up and down, so I tried the index.html in the finish folder (on the CD) which I believe you would have completed and this