Welcome.
For the finder look, instead of getting Nexplorer, a lot of people would suggest that you get FindeXer (an explorer plugin). Get it here,
http://www.osx-e.com/downloads/finder/findexer.html Do a search on the forums for tips and tutorials on how to make it look better.
More finder stuff here,
http://www.osx-e.com/category/downloads/finder
The download links all seem to be up and working on those pages, so I didn't understand what your problem was. If you can't seem to find them, look just above the "related posts" in each entry.
Post any more queries that you may have, but remember to always search before you ask since a lot of questions keep getting repeated. Hope you have a nice stay here, enjoy!
