Here is an iPhone Application Icons package, which will help each iPhone or iPad application developer get their GUI in order. The icons from this package can be used in navigation, tab bars and toolbars of iOS applications.
Downloads: 31814 - Shareware - Download Now
12x12 Free Toolbar Icons pack contains everything you need for your web site or application toolbar
Downloads: 32818 - Freeware - Download Now
Large Money Icons is a set of money-related icons for developers of business and finance applications, websites and blogs. Icons have a bright color palette, smooth and well-rounded edges. They are delivered in a variety of formats and sizes.
Downloads: 32582 - Demo - Download Now
A comprehensive collection of classic interface icons for modern applications and websites. The set covers a wide range of popular topics, while each of its 1176 icons comes in a variety of formats (PNG, GIF, BMP, ICO) and resolutions.
Downloads: 31894 - Shareware - Download Now
Free collection of ready stock icons for professional use, provide you with a wide array of glyphs that let you create an engaging front-end for your software without the need to spend weeks on designing your own icons. Icon sizes: 16x16 and 24x24.
Downloads: 31679 - Freeware - Download Now