- In the Mad As Rabbits video at ~3:19, that is not a cigar or cigarette. It's a European candy that he picked up somewhere in Sweden, which he himself has confirmed.
- Brendon, as well as the rest of Panic, smoke cigarettes and weed. There have been pictures released of Brendon smoking (AND drinking) with the rest of the band or on his own. (see below.)
- There have also been pictures released of the inside of the tour bus, where there are bongs visible which are devices used for smoking weed.
In this one, I'm guessing he's just drunk:
Well, that's all I've got, but hopefully it's enough.