Okay, I now understand what everyone raves about. This is just too cool for words.
My first try was with a very awesome (but unfortunately very not mine) dragon image from Google Image Search. I’ve gotta track down the designer and see if it’s available for purchase, because I love it:
[Edit: Found him! Jeff Bartels]
Buoyed by my success, I made this for my Harry Potter-crazed amazing administrative assistant, who is (according to the online Sorting Hat) a Slytherin. Because if she ever leaves me I will be rendered helpless and forced to retire, and therefore I must continuously shower her with love, appreciation and shameless bribes until I can (hopefully, some day) afford not to work any more:
If you haven’t etched a tile yet, DO IT.