I have to submit my commonapp college application soon with a scan of an essay I wrote. It is an HP Photosmart C4280. It usually says there is no usb connection when I try and press the scan button on it, so I use Microsoft Office Document Scanning built into Vista. However, it seems that tiff is the only image format it document scanning outputs, which is not accepted by the common app people. How do I convert from tiff to jpeg, or just scan in jpeg? PS, I have vista.