Culprits: YouTube; CollegeHumor; DailyMotion

Description: When a MovieClip inside of Flash is faded (alpha is applied), each object inside the MovieClip gets the alpha applied to it independently. This leads to you being able to see through things you probably shouldn’t. It’s the simplest fix too… choose the “Layer” blending mode. Nobody seems to know this though… and it ticks me off.