zepher, use the double sticky quilters tape or elmers school glue.
http://www.createforless.com/Dritz+D...utm_medium=cse
it is also called "wonder tape" joanns sells it..
http://www.joann.com/joann/catalog/productdetail.jsp;jsessionid=8EAAA5A9766353834CBE56952686B7EB.a2p1? CATID=cat3561&PRODID=xprd1002307