Strawberry jam is a crowd pleaser, but for the home jam maker, it's pretty fraught. Ripe strawberries tend to be low in pectin, and so getting a good set can be tricky business. There are some tricks to help on this front.
Spring raspberries have arrived in California just in time for me to make 150 tasty wedding favors. Add a little pomegranate juice and you have something really special. See my system for making a LOT of tiny jams.