A few cuttings/pieces of the following:
Dwarf Water Lettuce
They'll fit into a small flat rate box. No pictures, Paypal only, ships Priority w/ Confirmation, may contain pests, and various fine print of this nature.
Plant pack - $8 shipped
A small Echinodorus bleheri 'compacta'
A runner of Echinodorus tellenus 'micro' (or whatever the kids call it these days), should have at least 7-8 plants to it.
A small blob of Java Moss
A small Narrow Leaf (I think?) Java Fern
Several small cuttings of Lindernia...