Tumblr is still alive and well, and still making it easy to share text, photos, URLs, music, and video clips, and so much more.
Personalization of other social networks is limited, changing the background and styling the links is about all you will get. With Tumblr, there is a lot more, you can create a sophisticated and unique theme very easily, all you need is basic knowledge of CSS, and you are good to go… or you can just download onr of these free themes.
Below you will find 40 Amazing Tumblr Themes.
Graph the Museum
Pink Touch 2