Image Of Grandpa Ghost Picture

Deidre sent us this picture. Is it the ghost of grandpa behind them? You decide...

"This picture was taken in August of '06. We were in a hotel bar for a graduation party. There was no smoking allowed in this bar. The image up above the girl's head, to the right, is who we believe to be my husband's (the guy in the middle of myself and my cousin) grandfather. The image looks just like his grandfather's outline."