TL:DR; Give your program a fresh look and feel using a new set of icons: Advanced Icon Set.
Give your program a fresh look and feel using a new set of icons: Advanced Icon Set. In this set, we include the most popular and widely used icons for software products. All icons have a modern fashionable look.
Are you developing media-centered software application, mobile application or website, and you would like it to have modern Vista style - then get this icon set. This icon set includes 58 icons (502 variations) of seven sizes from 16x16 up to 256x256
If you need a great-looking set of toolbar icons for your new business application, make sure to try Glossy Business Icon Set! It is a set of pro-level and high-quality interface icons that will suit any modern business application.
A comprehensive collection of interface icons for modern applications and websites. The set covers a wide range of popular topics, while each of its 167 icons comes in a variety of formats (PNG, GIF, BMP, ICO) and resolutions.