It's the only Snape icon in her userpics, actually, Top right when I view them. Keyword is "Snape", and she was new to LJ when she got it, before she understood the etiquette of such things. If you stumble across it, we'd both like to know.

And yeah, one with Alan and Maggie together would be beyond lovely. I saw a couple tonight but didn't copy them and now I can't find them.