I'm using ungit for visualize branches and merges in my project. I don't use git just for the programming purposes and there are a lot of branching and merging. Currently I've tested some apps from git log and gitk to Source Tree. (please check this question).
However I like to know if it would be possible to easily adjust and customize nodes and branches in the graph below. I know it is technically possible but I'm not familiar with CSS or js and etc. However I like to learn new tools as far as they provide straight solution for this problem. I've the option to submit a request to ungit developer but I want to know possible home remedies before hand.
here is an example of git tree:
