This site makes it easy to create images merged with QR codes. It's great for creating stylish interactive logos or add QR links or info to photos. Just choose an image, enter the QR code details, drag into place and download the result.
http://ictmagic.wikispaces.com/ICT+%26+Web+Tools
Generate QR codes. Encode any text, such as poems, letters or short stories, website links, contact details... the list goes on. You can even choose the colour. They make great displays. All this is free, but you can also buy 'stuff' with a QR design printed on it.
"Like to create treasure hunts, audio feedback printables, easy links to video instructions and more? Use this Bulk QR code generator. Simply add the link or text to this spreadsheet and the QR code will pop up ready to print."
This is a useful QR code creator that allows you to add a password to your codes. You can use this to protect private information or make the passwords the answer to a question to access a new question to create a chain of questions for a QR code quiz. Encode for a web link, message, contact details or maps. All without needing to sign up! Sign in to get analysis of your codes.
http://ictmagic.wikispaces.com/ICT+%26+Web+Tools
Trakqr is a superb QR code creating site which is currently in Beta. You can create dynamic codes which you can update and redirect with the same printed barcode. Really useful if you want the same code for each new blog post. Encode web links, tweets, map addresses, an email and more. Get analytics for each code.
http://ictmagic.wikispaces.com/ICT+&+Web+Tools
This site creates QR code treasure hunts. Just enter your questions, answers and a title and the site generates the code for you to print.
http://ictmagic.wikispaces.com/ICT+&+Web+Tools
A great site and iOS app for creating location or QR Code triggered treasure hunts and digital 'breadcrumbs'. Create cards of text, images and other media which users can find and view based on their location or when scanning a QR code using a iOS device.