You´re much better off using Control-H to show hidden files. You can change your keyboard settings to achieve that. If that doesn´t do the trick use cuteexplorer. For OO you might simply want to consider a different location.

Tinkering with file and folder attributes is not something to take lightly if you are not completely in the know about the inner workings of the OS in use. To make these changes permanent cold have dramatic results.