Use nylon-jaw ring-bending pliers to add a curve to the blanks.
One or more parts (or tools) used in this project are no longer available, so we've moved the whole project into the "Misc Jewelry Tutorials with Issues" area while we decide what we want to do about it: find a good sub, re-make this project, or retire the tutorial.
Add 3 pieces chain, cut in various lengths (1-2"), to bottom of blank with 3mm jump rings. For best way to open and close loops, see Jump Ring Hint in Jewelry Basics 101 (PDF)
Add 1 rivoli to end of each chain with a 3mm jump ring.
To the top hole on each blank, add two 4.5mm jump rings. To the bottom ring, attach 4 pieces chain, cut in various lengths (2-3"), and hang these down the inside/back of the earring.
Add 1 rivoli to end of each chain with 3mm jump ring.
Attach top jump ring to 14kt GF drop-post earring.