If you only want the clock or the visualizer, you can find standalone versions on DeviantArt, but you will have to install them individually. For this guide, we assume you downloaded the full suite (Option A).
A minimalist shortcut that shows the number of deleted files and allows you to empty the bin with one click. How to Download and Install Mond
This gives you all the widgets in one clean package.
You can find the official download for the Mond skin on reputable customization sites:
The weather widget requires a location code to function.