Have a look at similar sites, see what you think you have done that isn't quite right, and look what they have done

As for being rubbish, Stop right there! Ok you're no expert, but at least you tried. All you need to do is to plan your site. Planning planning, and planning is the key to a good site
It is like a book, when you write a book, there is always a plan and that is what you need to be doing, starting off by using good old fashioned pencil and paper,

Think of your main headings as chapters, and subheading as pages within the book
Start at chapter one. Plan what you want to do with it, plan how you want to lay it out and plan what you want to put in it

Of all the Things I've lost, I miss my mind the most