I decided that big feather palms were just too darned expensive (£35 to hire or £40 to DIY) so decided to try and make some mini ones (£17 to DIY)
We've decided to try plasticine and foam doesn't work too well, and crystals are too expensive, we might try prisma glass or water crystals.
If we do them in 8" vases the overall height is less than a foot - is that about right do you thin?