We have just 5 uploaded information about 5 themes, lockscreens or other theme modifications. Check them out on the themes section.
» iPhoneFreakz Themes Update

Just a small post to let you all know that i’ve been working on a new section on iPhoneFreakz.com. Since today i’m happy to announce that we have a new section devoted solely for themes. The goal is to get all the theme’s released in Cydia into our themes section but this will take some time. Enjoy the themes.
» iPhoneFreakz Themes section

iThemeit! is a free iphone theme application/program for PC made to help users mix and match icons, backgrounds, wallpapers and different style themes to send to their iphone with the single click of a button. Themes created are also saved on your PC so you can always re-use what you created or share your themes with others. iThemeiT is designed to help you quickly create beautiful and creative themes to personalize your iphone.
» iThemeIt - create or modify your iPhone themes

Customize, a lot of people their favorite application to mod your iPhone with all sorts of themes and other graphical goodies, has been ported to firmware 2.0. Yaaay :). Customize is now compatible with Firmware 2.0! There are still a couple of bugs (About page and Comments still not working), but all the good stuff is in there. You can
» Cydia/Installer - Customize available

MMiThemer is a application that will let you download all SMB themes that are available from ModMyIfone. MMiThemer got updated to version 0.24b. This version fixes mainly bugs. I cant find any new features in this release.
» MMIThemer 0.24beta - iPhone theme dowloader