good vs bad of pinterest

I have a 2-in-1 post.  A good and a bad that I found on pinterest.

The good:
I love canvas.  I have done a few things with canvas and there is so much more you can do.  I made these for the kids room in her colors.  I think they turned out great.

http://mylifeandkids.com/2011/08/scrapbook-paper-flowers/

Then the bad:
These things:

http://juicy-bits.typepad.com/juicy_bits/2011/02/173-unicorns-and-rainbows-party-part-1-the-details.html

DO NOT WORK!!  At our most recent craft night both my sister in law and I tried to make these.  Hers where small, mine were big.  Neither worked.  It was a huge sticky gluey mess.  Just so you know :)