Click the full screen icon, it's much better that way. Headphones warning: rowdy party music ahead.

I rarely do click-through prototypes, but if I have to, then I use Symbols and links in Mockups to make it painless. This is a speed-wireframing video I whipped up to demonstrate to customers in a few minutes what the experience of wireframing with Symbols is like.

http://youtu.be/_8IyyvECYrg?hd=1