You can find the old PDF here:
http://assets.webassist.com/solutionrecipes/ecart_coupons_sr.pdf
we are currently in the middle of redoing the tutorial.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.