First off, I think you need to decide of you are going to use Open type scripting to make the font look more like real handwritting with variation and context dependence - where a lc l conncect to another l vs. connecting with some other letter vs. staring or finnishing a word for instance. Or if the face isn't going to do that and is going to be more like an older commercial 'script' font like this one.
http://www.myfonts.com/fonts/linotype/shelley-script/
where the connections are more calculated & less casual. Forst instance, in the second case you would have to redesign your lc 'l' to look less ackward when it connects to other letters.
There are tons of other observations that could be made but I think they would all assume (falsely) some insight into what you had decided about this first issue.