Ticker Tape and Rainbows

Is this something we should be doing? We have the muslin- and the solid colors and the scraps of fabric....
http://www.stitchedincolor.com/2011/03/bottled-rainbows-how-to-make.html
and it looks  like you don't use wonder under so that's good since neither of us have ever had a lesson in how to use it and would be lost figuring it out.
http://whipstitchfabrics.com/blog/scrap-project-bucket-3-ticker-tape/

http://www.marcigirldesigns.com/1/post/2011/3/bottled-rainbows-ticker-tape-quilt-along.html
http://dontcallmebetsy.blogspot.com/2011/04/quilt-finish-bottled-rainbows.html
http://www.flickr.com/groups/1347527@N21/
http://www.stitchedincolor.com/2011/02/bottled-rainbows-ticker-tape-quilt.html