If you are a Yahoo! Messenger user and don't like the default interface, here is something interesting for you.
"Y! Vista Reloaded" is a new skin for Yahoo! Messenger created by me which will provide Windows Vista like interface in your messenger.
Following is a preview of this skin in action:
You can download the theme using following link:
PS: You'll find the download link in the right-side section of the above mentioned page.
After downloading, extract the file and run the "Y! Vista Reloaded.msi" file from the pack and it'll install the skin.
That's it. Now you can apply the skin using "Messenger -> Change Skin..." menu in Yahoo! Messenger.
Please provide your valuable feedback in your comment.