This was Sophie. I lost her in Jan 08 after she was quite ill.
She was a 9 year old Bull Mastiff rescue dog. Looked fierce, (well, maybe not in this piccie), but was as soft as mud and scared of pretty much everything except crunchy things: pigs ears, hide chews, CDs & DVDs, remote controls etc.
New people would know when she'd accepted them as she'd headbutt their leg when she wanted fuss.