Advanced Random Generator have functions that can generate random images (numbers and alphabets) and random values (numbers and alphabets) you can set the style of the output image as well this library is used in many situations.
Full Specifications
What's new in version 1
General
ReleaseNovember 7, 2008
Date AddedNovember 10, 2006
Version1
Operating Systems
Operating SystemsWindows 95, Windows 2000, Windows 98, Windows Me, Windows, Windows XP
Additional RequirementsWindows 95/98/Me/2000/XP, Microsoft .NET Framework 1.1