QR Code reader issues

I've been getting more and more business cards with qr codes on them. I bought a couple of different qr code reader apps, but none of them seem to work. In order to get the code large enough for the code reader to recognize it, I have to hold it so close to the phone that the image gets too blurry to read. If I hold it further away it is clear, but too small for the reader to se the code. Is anyone else having this problem? Is this just an inherent problem with the the whole idea of qr code readers on the phone? Any help or comments will be appreciated.

I'm using the "Barcodes v 1.0" from ZXing, which seems to work rather well. This application is available from the iTunes App Store:
http://phobos.apple.com/WebObjects/MZStore.woa/wa/viewSoftware?id=292197557&mt=8
Good luck!
Lance A. Schart
http://tiny.cc/LanceASchart
Financial Development
Media Relations
Project Management and Research
Musicology

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