As we all well know Customize has been released in Cydia. SummerBoard, however, has yet to be released and this is what allows you to put images and video on the iphones springboard background through customize. Click the link to read on and learn how to use the theme browser. » Cydia- Customize

Yesterday apple posted the second beta of the iPhone 2.1 software to developers for testing. Some developers are reporting they have since recieved the tools from apple to create background apps. Apple told us it would not officially be released to devs until September. For a more detailed explanation of how the push notification works read on. » Apple seeds some developers tools for making background-notification apps.

SynchStep back from installer in 1.1.4 has been updated to 2.0. “SynchStep (Beta) automatically detects how fast your walking, and plays songs from your music library to match your pace.” Read on for more tips and requirements. » Cydia – SynchStep 2.0

Its only been a week since apple gave developers beta 1 of the iphone 2.1 firmware and now they have already released a second. The new version appears to have mainly bug fixes.
» Apple seeds second beta of iPhone 2.1 firmware to developers.

Hendrik of eidac has figured out a way to stop iTunes from backing up your iPhone on a Windows machine. It’s actually pretty easy to do. Instructions inside. » Windows Users: Disable iTunes backup for faster sync

MxTube, a YouTube video downloader, was one of my favorite applications back on my 1.1.4 jailbroken iPhone. It allows you to search through YouTube videos, much like the actual YouTube app, and download them directly to your phone to watch whenever you want with no loading time. Well, it seems like the developer is almost finished with MxTube 2.0. Continue reading for more information. » MxTube 2.0, soon to be released.

The iPhone DevTeam have released the new PwnageTool that supports the new 2.0 firmware. Currently, it is for Macs only. To download it, go here. It supports both the first generation and 3G iPhone, although unlocking for the iPhone 3G is not yet available.

UPDATE: Apparently, Installer is not available with this version of PwnageTool. » PwnageTool 2.0 released; Macs only. *UPDATED*