Free Social Media Icons library is offered as a number of ICO, PNG and BMP
files in resolutions of 512x512, 256x256, 48x48, 32x32, 24x24, and 16x16
pixels, 32-bit color format with semi-transparency. Visually integrating a
blog or forum with a number of popular social services is not always an easy
task for a web designer. Different formats and sizes of graphics used by
popular social networks can make embedding them into your design a difficult
job. (in Programming)