Eee, Snape took his wand to Harry's backside, didn't he?? TBH I was thinking of the flat edge of Gryffindor's sword, but a wand works too.
And I choose to think that the sensible boots belong to Snape, the trail of clothing shed hastily as he prepares to leap into the pond to pull the Gryffindor idiot out.
Yeah, that's right. It says in the text that Harry lays his clothes in a pile next to the pond. I was supposed to draw that as well, but i was in a hurry and apparently I forgot. <_<
Thanks!