Thanks... I wasn't aware of the resizer there. I don't think I was hitting it as they would still automatically resize themselves if I try and navigate with the arrow keys.
I inadvertantly fixed it though for the time being. Before I last closed Multiping, I selected View -> Hide all timeline graphs.
When I re-enabled it after closing multiping, they seem to be fine for now.
I'll report back if It happens again... maybe I'll catch what I did for it to happen in the first place. <img src="/forums/images/graemlins/smile.gif" alt="" />