IECapt – A Internet Explorer Web Page Rendering Capture Utility
IECaptIECapt is a small command-line utility to capture Internet Explorer’s rendering of a web page into a BMP, JPEG or PNG image file. The C++ version also has experimental support for Enhanced Metafile vector graphic output. IECapt is available in a C++ and a C# version.
See CutyCapt for a Qt and WebKit (Safari) based cross-platform alternative to IECapt.