The easiest way to post pictures is to get a photobucket account and upload them there. Once uploaded, photobucket provides a link to post here so we can see your picture.
As for your question, I've never used one but I cannot imagine that it would affect the beer at all.
115th Dream Hopburst IIPA
NB Irish Red - 02 Apr 13
BierMuncher's Centennial Blonde - 28 Apr 13
# of Brews: 2 // Total # of Gallons: 10