Laura Wasilowski has some great information on working with fusible web. She's known as the Dean of Corrections at the Chicago School of Fusing. ;)
http://www.artfabrik.com/Chicago%20S...0Etiquette.htm
You can also transfer your pattern outline directly to the web after the release paper has been removed. This prevents fabric fraying and you no longer have to cut paper with your good scissors. Instructions are here.
http://www.artfabrik.com/patterntransfer.htm