In my haste I completely overlooked the fact that I was hosting my blog on my own server, and that editing it to achieve the results I was after was a bit 'geeky' and that it concentrated on editing HTML code. Not something everybody is familiar or comfortable with!
A comment on the Sandbox by 'papoosue', who has a blog called Random Blethers, gently reminded me that not everything I assumed was a simple task, was actually that 'simple'. I gulped, and decided that, to meet the needs of the visitors to David's superb blog, who come to him with many questions and varying degrees of ability, that any explanation needed to concentrate on how things are done using Blogger's excellent built-in system of 'editing'.
The ability to edit most of your display, especially by manipulating the template you've chosen, already exists within the Dashboard elements of Blogger, so why not give your site that 'unique' look?
You could even register another blog, not publish it, but use that as the 'testbed' for any changes you wish to introduce. That way you won't break your original, and when you're satisfied that you have achieved the design of your choice, then copy it across!
So, what are you waiting for?