A high-quality mod offering a dark-themed interface for Quicktime Player's interface.
Installation is a straightforward process that involves the following steps:
1. Control/Right-Click on Quicktime.app and select "Show Package Contents"
2. Navigate to Contents -> Resources
3. Drop the files from the "Buttons" folder into the "Resources" folder and the files from the "NIB's" folder into the "English.lproj" folder. If your native language is not English, then drop the files into the corresponding xxx.lproj folder (e.g. "German.lproj").
It is worth noting that BlackPearl Vol.2 Quicktime falls under the Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 License.