Sam and Dean and faith (Possibly religion maybe)
DNA and Fingerprints (Re: Shifters)
Sam and Dean's "Big Plan" not to be caught
Sam and Dean and their lack of stealthy-smoothness (I actually kinda like that they didn't use gloves; it's consistent for them. And now it's like "What's the point?")
FBI versus local police
Winchesters from the outsider's perspective
...I think that's it.
Also I have decided that I spent so long making this icon that I couldn't part with it. So now it's my meta icon.