I wouldnt mess with resin molds. They are really messy to make.
You can grab cheap silicone molds from lurecraft.com. With the silicone molds dont expect a high rate of production, but they will get the job done.
http://www.lurecraft.com/catalog.cfm/molds/plastic-molds/worms/5x644:2260
Use this to make molds for either jigs or soft plactics
http://www.waterputty.com/
any good web sires where i can buy resin and molds cheap to make my own senkos
run from del. guy takes 2 months literally to ship. Caneycreekmolds.com bearsbaits.com basstackle.comany good web sires where i can buy resin and molds cheap to make my own senkos
http://www.del-mart.com