Hi, i gathered a few links to logo designs i like. So here it is:
This is interesting logo, but text not much readable
http://goldentalk.com/images/misc/logo_03.gif
This logo design is good and also fits to the site design
http://www.blackhatworld.com
Good logo and fitting design
http://www.moneymakergroup.com/forums.html
Good background and white font:
http://www.blackhatworld.com/banners/aff/link-aloha/728x90.gif
Good font and color, also has some image, must not be copyrighted:
http://www.goldpoll.net/details/18706/
This logo has some creativity (not only text)
http://www.moneymoneyway.com/index.php
Simple and pretty:
http://www.hyipexplorer.com/images/main_logo.gif
I think it can be good if can be edited whole header color and image. I can send header theme code.