Tint
Below are some examples of using a tint on an image. Please note that the "Opacity" slider is being translated into an alpha value of 0-255. If you choose 100% opacity (slider all the way to the right), this will translate into the lightest tint. Lower values will translate into a darker tint.
Alpha
Alpha will lighten an image. Choose a percentage that will be applied. Here are some examples of 0, 10, 20, 30, 40, 50 (from left to right).
Brightness
Choose a % value from -100% to 100%. Below are some examples, from left to right, -10, -20, -30 and 10, 20, 30
Contrast
Choose a % value from -100% to 100%. Below are some examples, from left to right, -20, -40, -60 and 20, 40, 60
Filter
Filters are boxed up image filters that have specific uses. There are no settings, they are simply applied and do a single job. Below are the options:
BlackWhite
Comic
Gotham
GreyScale
HiSatch
Invert
Lomograph
LoSatch
Polaroid
Sepia
Saturation
How saturated the colors are. Choose a value between -100% and 100%. Shown below is -20%, -40%, -60%, and 20%, 40%, 60% (left to right)
Hue
Alters the hue of the current image changing the overall color. Set the degrees and whether to rotate or not. Below is 50, 100, 200 no rotation, and 50, 100, 200 with rotation.
Vignette
Creates a vignette on the image. You may lessen the opacity on the color picker to make it less dramatic, and choose any colors. Below example, Black 25, Black 50, Black 100