
Here's another one, with different images (excepting "4"):

Here's the article where I first came across the alphabet.
I doubt the poster offer is still valid. Here's the US website, butterflyalphabet.com, that produces the posters etc
Here's the book the photographer produced on amazon UK
And here's a nice little app that allows you to put together your own words in butterfly letters, and send e-cards
PS I don't have the book yet, I wonder if it includes the humble Comma