Generating automatic QR codes with YOURLS

"When Goo.gl launched a few weeks ago, they included a feature where adding .qr to the end of a Goo.gl link produced a QR Code for the link. Bit.ly have started doing the same, using the same .qr extention. The idea being you can quickly generate a code, or transfer a link to your mobile device."
[Text taken from http://beta.beantin.se/how-to-yourls-auto-generate-qr-codes/]

So this blogs qr code generated by using the Google Url Shortener will be http://goo.gl/eXAVX.qr