To get those colored skins you will have to download the yhook 632 installer, they are now included with the install package.
Yhook 632 Supports Skins
only the default(black) skin is packaged with yhook via the updater.
YHook 632 Features
- YHook Best unbootable yahoo client.
- Best Voice Domination Updated
- Protect from Voice and Text lagger
- Booter Resistant
- Java Yahoo Chat Client
- Web mode HTTP Client
- Yahoo Room Voice Recorder
- Yahoo Full Smiley and Emotions
- Inbuilt Miclocker
- Extra Voice Domination
- Multiple Yhook Skins