... is not a good metaphor for this post. It implies that it's really easy. I enjoy taking photos of (avoiding the word shooting here) fish in tanks. It's not easy to even get one in focus much less get a good composition. But if you persevere, you can have some great serendipity moments where it seems that everything comes together. A lot of photography is like that.
By the way, if I did this in the studio with beautiful controlled flash lighting it would be a lot easier and the results would be a lot prettier. The glass would be clean and the images would be grainless and perfect. These were shot in the Wal-Mart store on grocery night so it was a little more challenging.