Best moss for a moss wall?

I had a well meaning friend order some windlove from AquaticMagic for my tank and other than spending 2 weeks in the mail they came thru in fair shape. I think he paid like a $1.99 with free shipping,I was surprised at the amount of plants sent.
 
Whatever moss you use tilt it back about five degrees. This will help ensure that the moss on the bottom doesn't get too overshadowed by the top. Keeping it trimmed will help it also.
 
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