imv(stb) is described as 'extremely lightweight and fast image viewer/browser for the Windows platform. The current executable bout 70KB (without executable compression)' and is an app in the Photos & Graphics category. There are five alternatives to imv(stb) for Windows, PortableApps.com, ReactOS and Mac. The best alternative is IrfanView. It's not free, so if you're looking for a free alternative, you could try JPEGView or NX Studio. Other great apps like imv(stb) are FastStone Image Viewer (Free Personal) and XnView (Free Personal).
FastStone Image Viewer is a fast, stable, user-friendly image browser, converter and editor. It has a nice array of features that include image viewing, management, comparison, red-eye removal, emailing, resizing, cropping and color adjustments.