[thaumasiotes]

> because you asked and they complied, there's a work contract between said photo-button presser and you

No, this can't happen, because there is no consideration.

> and the consideration paid is a word of thanks from you

Nope. You can call it consideration, but that won't make it consideration.

[chii]

consideration doesnt have to be money.

[thaumasiotes]

No, but it does have to exist. A private word of thanks isn't enough to even rise to that level.