PHP Photo Wall Gallery: Convert images to ASCII characters or photo walls

ImageManipulate is a PHP class to manipulate images
this class can
Create wall with random file from media dir (you can provide: width, height,rows,columns)
Create horizontal stripe with random file from media dir (you can provide: width, height)
Create vertical stripe with random file from media dir (you can provide: width, height)
Create Ascii image with random file from media dir  (you can provide: width, height,chars and much more)
Crop to fit explicit width and height examples  (you can provide: width, height)
Apply filter to image like:
IMG_FILTER_NEGATE: Reverses all colors of the image.
IMG_FILTER_GRAYSCALE: Converts the image into grayscale.
IMG_FILTER_BRIGHTNESS: Changes the brightness of the image. Use arg1 to set the level of brightness. The range for the brightness is -255 to 255.
IMG_FILTER_CONTRAST: Changes the contrast of the image. Use arg1 to set the level of contrast.
IMG_FILTER_COLORIZE: Like 
IMG_FILTER_GRAYSCALE, except you can specify the color. Use arg1, arg2 and arg3 in the form of red, green, blue and arg4 for the alpha channel. The range for each color is 0 to 255.
IMG_FILTER_EDGEDETECT: Uses edge detection to highlight the edges in the image.
IMG_FILTER_EMBOSS: Embosses the image.
IMG_FILTER_GAUSSIAN_BLUR: Blurs the image using the Gaussian method.
IMG_FILTER_SELECTIVE_BLUR: Blurs the image.
IMG_FILTER_MEAN_REMOVAL: Uses mean removal to achieve a "sketchy" effect.
IMG_FILTER_SMOOTH: Makes the image smoother. Use arg1 to set the level of smoothness.
IMG_FILTER_PIXELATE: Applies pixelation effect to the image, use arg1 to set the block size and arg2 to set the pixelation effect mode.