It has been nearly 12 months since I was last on, and answered a similar question then.
I'm a proud owner of an 08 Bambi as well, I'm pleased with my double bed size sheets and use elastic garters to hold the fitted bottom in place.
I purchased the garters at a local Walmart, and they hold in place very well.
It may be an option that you want to keep in the back of your mind for the future. Under 10$ I'm sure.