There are lots of expression packages on the market but most of the expressions are over-exaggerated. What about a dial that reduces the settings of any expression - much like the M+++morph expressions dial which are set in increments where you can choose a degree of that particular emotion?

Example: an expression choice might be "delighted", but when the expression is applied it is a bit much, the character looks a tad demented with delight. No problem, go to the "Expression Reduction Dial" which simply dials back (or up) all the "delighted" setting.