sorry to hear that, If the seller is that screwed up maybe it's best they didn't have em.
Anyway it looks like tower will have minnow canopys in stock in April if you can wait that long, Also looking at the specs they do look very close in size
minnow spec:
http://www3.towerhobbies.com/cgi-bin...?&I=LXKCL1&P=0
Toni Spec:
http://www3.towerhobbies.com/cgi-bin...?&I=LXGGH5&P=0