Well as can be seen in my 'Websites I Frequent - Sometimes Too Often' list, one of my favourites is Passive Aggressive Notes. Basically, it involves people sending in pictures of weird notes they've come across.
The reason I'm mentioning this, is that a little while ago Husband and I were looking for an apartment to live in. Two streets away from where we ended up, we came across a place that was kinda crummy, except that it had a pool. But then again - sharing a pool with randoms is a bit gross. Anyway, while on the way out, I came across these notes in a common area and couldn't resist taking a picture. The second one is long, but quite amusing and well worth the read (click to open in new window and enlarge - if in a hurry at least skip to a bit after half way). I'm almost a little sad we didn't pick this place because Ivan* seems like a fun guy.
*different Ivan to this one.