When I add a link of my website on Facebook, let's say in my status update, it just grabs any image on the page which in my case ends up being one of my sidebar 125px ads. This is obviously unacceptable as I would prefer a logo of my site or something but not an ad or an image that just says "pricing". I am not sure how to fix this. There must be a way for Facebook to grab an image I specify instead.
Does anyone have any ideas?