Does anybody know where I can get a rain cover or canvas hood for freelander TD4? I'm really struggling as to we're I can get one

We're is the cheapest place to purchase a cover for the back fo my freelander 55 td4 sport for when I have the hard top off?

I've just picked up my 55 freelander td4 sport. I'm thinking of changing the stereo but it sounds quiet good so was wondering if anybody can help me as I'm thinking of maybe just fitting an auxiliary cable some how to use my phone direct for hands free and the music. Has anybody done this or...