Windows search found 7456 images on my computer (not including the any images that are hidden, system, or in my graphics folder). Some stats:

• The smallest was 16 bytes. The largest was 11.1 meg (11,712,547 bytes) .
• There were 1058 bmp, 406 gif, 3681 jpg, 1914 png, and 20 psd.
• 2,666 were in my games directory.

Now for my graphics folder:

• 5226 images.
• The smallest was 1.03 KB (1,056 bytes). The largest was 7.63 MB (8,011,244 bytes)
• There were 3 bmp, 231 gif, 4918 jpg, and 73 png.
• 394 of them have yet to be sorted into their proper directory.