To download skins to your gallery, please do the following:
Click on the "Skins & Cursors" button and select the "Open Web Skin Gallery" option.
Click on the "Download" button below the image of skin you want to download.
These skins will then be placed in your own collection which you can access by clicking on the "Skins & Cursors" button and selecting the "Open My Skins" option.