The tutorial details the well known and used "Basic Concept". It goes on to introduce the "Advanced Concept", which is basically an extension, or rather a more complete version, of the basic concept.
Download it here (it's free):
http://www.downloadcenter.scruffyduck.o ... ay&file=98
A couple of posters in this forum have renewed my interest in the topic, so having taken the time to read through the guide I am happy to discuss issues and problems that anyone is experiencing. Hopefully my knowledge is now somewhat refreshed!
