Here is a Toolbar Icons for iPhone collection, which will help each iPhone or iPad application developer get his GUI in order. The icons from this set can be used in navigation, tab bars and toolbars of iOS applications.
Downloads: 66695 - Shareware - Download Now

Health Care Icons is a set of wonderfully crafted icons associated with the sphere of health service. Whether it`s a website or software, these icons will make its look much more attractive. The icons are delivered in a variety of formats and sizes.
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This icon set contains 300 vector icons that represent different sport activities and games. The sport icons are pictured in Vista style, making your design appear great. These icons are suitable for specialized software, web, printing designs.
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16x16 Free Toolbar Icons pack contains everything you need for your web site or application toolbar
Downloads: 95653 - Freeware - Download Now

This set of ready-made icons represents more then 400 different people in 807 variations of different jobs, occupations, ages, historical periods, nations, religions, sports activities. People are pictured in Windows Vista/Seven Style.
Downloads: 63478 - Demo - Download Now