I saw that too and asked myself the same question. They never open there wings, well not when I have seen them anyway. Only once did I see one open its wings like that, but it got trapped in a window and it was rescured.
The whole butterfly, including the body, seems so close to the leaf it is on that I can't believe it's standing on legs. Sometimes pictures can be misleading, and real life caught in a moment can look awkward, but it does look very much like a dead butterfly to me.
Photoshop rules, eh? (Does look like a "pinned" specimen tho')
N
Just remembered I got a pic of a Speckled Wood basking early in the morning that looks as though it is pinned!
"Conservation starts in small places, close to home..."