Need a hand altering a theme
Please go to views admin interface and check the views name as Recent post(display type block), views gives  you flexibility for adding any number of fields your content type has, also it will allow you to have custom classes to fields that you will be needing to theme.About classes and ids already there, they are coming from views theming you do not have to touch there all you have to do is add fields you want, while adding it will allow you to style it by adding wrapper divs or other html element.Once you finish with editing the view,check the block in firebug you will see your calsses and ids working there, then add css for it in your Danland theme .css file.

Key Points which may help you:


how to add/remove fields from view
how to add custom classes to the fields in views
Once done style it using your theme css file.