VVPhoto is,

An Photo Acquirer -

From clipboard;
Acquire image from URL;
Acquire image from Twain Compatible Device;
Capture Screen;
Set Hot Key to capture screen to file, editor or clipboard;
Auto monitor clipboard for Hyperlink(Download) and Image format;

An Photo Viewer -

Support many formats : BMP, GIF, JPEG, ICO, PNG, TIF, WBMP, TGA, PCX, WMF;
View entire folder images, use "Home", "End", "PageUp", "PageDown" to view images of a folder;
Five view mode : Fit size, Fit Image, Fit Width, Fit Height, Fit Screen;
Full Screen supported;
Slide show of all images of a folder;

An Photo Editor -

Selection : Rect, Ellipse and any shape;
Smooth filters : Box smooth, Gauss smooth, Conservative smooth, Median smooth;
Other filters : Soften, Sharpen, Erode, Dilate;
Image transform : Rotate, Gray, Resize;
Support Color BPP : 1bpp, 4bpp, 8bpp, 24bpp;
Adjust image : Adjust lighten and Contrast, Adjust HSL colorspace, Adjust RGB colorspace,
Adjust Gamma, Adjust Exposure, Correct histogram, Gray stretch;
Many Effect : Mirror and flip, Negative, Emboss and Carve, 6 types edge detect, 3 types Threshold, Mosaic, Noise, Dither, Colorize, Jitter, Pencil Drawing, Crayon, Old Photo, Sepia, Pseudo Color, Windy, Stripe, Cone, Project, Sphere, Cylinder,Ellipse...
Photo : Photo frames, Photo feather, Time stamp, Pattern Trans, Shadow

An Photo Batch Builder -

Batch build your folder and subfolder images such as Negative, Gray, and any effects in VVPhoto;
Batch convert your folder and subfolder images to some Formats;
Batch convert your folder and subfolder images to specify color bpp;
Batch Log help you know the result of the batch procedure;

Other Features -

Embed and detect simple watermark of BMP files;
Set windows wallpapers(centered, tiled, stretched);
Associate file extentions;
Send Photos to your friend via EMail immediately;