PC Image Editor is a free graphics editor with many of the features of a professional product.
You can edit images from a variety of formats; it contains an extremely user-friendly interface enabling you to work intuitively. Along with the usual assortment of file operations such as Copy, Move, Delete, and Rename; adjust colors in photos; apply filters such as Hue, Negative, Colorize, Posterize, Mosaic, Twirl, Emboss; rotations and transformations; Perspective and Skew; blur images; sharpen images; image resizing; setting an image as the desktop wallpaper. Also, it contains enhanced brushes and painting options.

Features:

Browse images in thumbnail mode.
Import and export various graphic formats, including BMP, GIF, JPG, TIFF, PCX, PNG, TGA, J2K, WMF, EMF, and RAS.
Apply 18 filters such as Blur, Sharp, Add Noise, Diffuse, Mosaic, Twirl, Emboss, and etc.
Add image effects such as Rotate 90, 180 and Arbitrary, Flip Horizontal and Vertical, Crop, Perspective, Skew, and etc.
With 12 adjustment commands such as Auto Levels, Auto Contrast, Brightness, Contrast, Gamma Channel, Hue, Saturation, RGB Channel, Invert, Colorize, Equalize, Threshold, Posterize, and etc.
Setting an image as the desktop wallpaper.
Print images with full functionality.
Also ability to resize images.
Free update for any new version.