Das Rabble Rouser
I've only encountered one glitch. The quest to retrieve some gloves for the Orcs so they can make you bloodkin never initiated.
Fortunately, if you do any quest that causes an orc to become friendly to you, you will get bloodkin. This includes quests such as running the mercenaries out of Karthwasten. Even though Ainethach (the old Breton) is the quest giver, one of his orc miners will give you bloodkin.
As for most annoying glitch...
...that would be a Blackreach glitch involving Shouting. Depending on where you are in Blackreach, using certain shouts (such as aura whisper) can attach persistent sparking or centurion steam effects to your character, possibly including a steam sound.
Once you have it, you either have to reload an old save, or do a character edit.