There are so many great iPhone applications, however here is a list of some new useful iphone apps which you must download right now if you have not yet.
Gorillacam (for still photos, timer, click anywhere…etc)
iVideoCamera (for taking videos via iphone)
Air Mouse (nice to control your iMac via your iphone on wifi)
PS Mobile (Photoshop effects for your photos on iPhone)
France 24 (Live English, french and arabic streaming from
France 24)
SHOUTcast (Live radio stations from all over the world)
Newsy (Video summaries of latest events and news)
iMediaShare (view photos from your iPhone to your Television via your playstation – PS3)
eBuddy (MSN, Gtalk, Yahoo messenger and more all in one place)