BTW, i just tried the shift in powerpoint to resize the image and it works (unfortunately i have to work on a POS Mac), give it a try 
when is your show? I'm not too busy at work today, I could make you one if you have all the text in word, or better yet you can send me the powerpoint file
when is your show? I'm not too busy at work today, I could make you one if you have all the text in word, or better yet you can send me the powerpoint file