Macs are known for being wonderful machines, easy to use. So it seems odd that there is no obvious way to paste one image into another to combine twoimages on a Mac! We love the free Skitch for most of our image creation and editing needs, but the one thing that even Skitch won’t do is combine two images, not even allow you to paste one image into another. But there is an easy way to do it; you just have to know the secret – and here it is.