Help Ads? Or something?

[pokskip]

In my gallery when i take videos the preview shows ads in posted picture. I need help removing this. I'm at a loss. My phone has also been running a little sluggish. In the posted picture only the videos are affected not the pictures.

 

[jova33]

There's a folder called thumbnails in your as card. Delete its contents. I had this same problem........ Except it was porn on the thumbnails lol