For anthing Ты want to save, videos, images, articles, and links, all Ты have to do is click on the small green 'save' button beside или below the content Ты want.
Ты will find whatever Ты saved in your избранное located on your Профиль page.
When Ты are on the page containing the content Ты want to add to your избранное all Ты have to do is press the little green button that says save under the rating and it will be saved to your избранное :)