No idea what you are talking about lol
I know of Freecycle...never used it though so not too sure what it is exactly.

There are a couple of places you can sell/auction second hand nappies - Buy For Baby is one, there is also a FB group that is very successfull - you just post pics, details and people comment, you arrange payment and post between the two of you.

Also try looking at Kidspot - they ahve classifeds on there too, so you can sell anything, if you mention what you want to swap for etc people can just contact you to discuss it.

HTH