Hey these are my Favorite jailbroken iphone apps for ipone 3g with 3.0 software. First one is vwallpaper heres my review on it its awsome http://vwallpaperiphone3g.blogspot.com/ . The second one is mxtube. You can get it from cydia. Second most awsome app. Bluff my call is cool too. prolly my third or 4th favorite app. Toggle ssh and Catagorize. They can all be found in cydia. Awsome apps get them.