Hi Kate, I too mn still struggling with my MCL, I posted a separate thread about a brace. There are so many out there I thought I could get some feedback from these boards.
Google "MCL taping" and you will see some taping techniques that look pretty good. I wrap my knee with an ace bandage now and again and it feels good. I have found tho' that it's hard to tape yourself so I am looking for a brace.