Generally speaking, grad programs look at your most recent coursework first, starting with your grad degree and privileging your major coursework over electives and non major work.... and your undergrad maybe not mattering much at all.
IMO your MA speaks to your ability now in addition to your publications. If you want to improve your CV, I would suggest funding or publications, the more prestigious (nationally known journals or the major journals of your field) the better. Your LOR should also speak to your current work ethic and research skills. If you are worried about your undergrad still, you can speak to it in your SOP but I think you are okay.
