I didn't do anything in particular to get off my plateau, but I did hang in there. I got some good advice from Louise and others, about focusing on my health rather than my weight. I did find that I felt like I was floundering around though, with no concrete marker of my progress (towards health rather than weightloss). But you just have to hang in there, and know that it will pass. Also I read some posts I think Dolly, or Kim E, or someone put on a while ago about plateaus and how to get off them.
I actually noticed the difference after one day when I ate 'too much', and then got back to my normal diet/exercise routine, and the weight (much to my surprise) just came off. So I don't know if it was because of the shake up of extra food and change in intake, or if it was just my time to get off the plateau.
But know that there is a lot of support for you with this forum, and hang in there, it'll happen. Good luck!