Flickr.com is the famous picture sharing website, with a wide variety of good pictures. Flickr Desktop Wallpaper is a dynamic desktop wallpaper creator using random images of any Flickr account as source, which enables you to automatically download images from Flickr website and join them together into a desktop wallpaper.
Screenmarker is a simple, compact, portable and free screen annotation tool, its biggest characteristic is that it enables to change betweent annotation and mouse operations, and no loss of contents.
Paint.NET is an image and photo processing software, it was developed and maintained by Rick Brewster when he was a Washington State University student, written in C# (C Sharp programming language), and was provided the project guidance from Microsoft later for locating in one early MS Paint free alternatives.
As for a good third-party image viewer to choose, before, I used to find XnView better than ACDSee, this is true, and i keep my point.But today i just found a better one than XnView - FastStone Image Viewer. If i can give XnView four stars, i will give FastStone Image Viewer 4.5 or 5. Because it has a faster image reading speed than most of the image viewers (including XnView and ACDSee).
About the third-party image browser in our PC, a lot of us may know the ACDSee, although it is really very strong, unfortunately, it not only costs too much, but also is too big with not many functions, and the key point is that we do not have to use it to view pictures. Because some other app is free for use and even more powerful than ACDSee.
VJPEG is a very creative freeware, it does not have a GUI (graphical user interface) itself. After installation, it will automatically associate with the JPG, BMP, GIF and PSD file formats, when you click on them, these pictures will display directly.