Mold: lots of j-cloths and one of those plug in steam cleaners... Places like home bargains sometimes have them cheap. It comes straight off, kills the spores and doesn't damage the surface.
Purple soft tops... Yes,... I remember seeing them at an event.... And the name that comes to mind was "prestige autotrim".... But it's been a while and I could be wrong about that. I was going to get one in green.
Oh, and a bit of leather balm will help the seats