Photography
Composition (from Photographycourse.net)

What makes a Strong Photo?From Cody's Education Zone "Beginner's Guide to Digital Photography", Oakland School District

Tips & Tricks
Kodak's Top Tips

Galleries and Examples
Kodak's Picture of the Day (Past Winners by Month)

Manipulating Image and Altering Photos
  • See the Change - mouse over the images to see the original before editing (by Greg Apodaca)
  • Fake or Foto - which is a real picture and which uses computer graphics
  • Article covering history and the slippery slope of allowing changes

GIMP
external image GIMP-Toolbox-Tools-Default.png
Toolbox and Tools Explained

YouTube Channel of Tips & Tricks
Changing Eye Color
Bluring Background

Tools From Wikibooks
These tools are available by default in toolbox.
Introduction · GradientFrom Wikibooks, open books for an open world < GIMP
Icon
Name
Shortcut
Description
Selection tools
GIMP-Toolbox-SelectionRectangle-Icon.png
GIMP-Toolbox-SelectionRectangle-Icon.png

Rectangle
R
Selects square or rectangular regions.
GIMP-Toolbox-SelectionEllipse-Icon.png
GIMP-Toolbox-SelectionEllipse-Icon.png

Ellipse
E
Selects circular or elliptical regions.
GIMP-Toolbox-SelectionLasso-Icon.png
GIMP-Toolbox-SelectionLasso-Icon.png

Free (Lasso)
F
Draw free-form selections.
GIMP-Toolbox-SelectionWand-Icon.png
GIMP-Toolbox-SelectionWand-Icon.png

Fuzzy (Magic Wand)
U
Select continuous regions of colour.
GIMP-Toolbox-SelectionByColor-Icon.png
GIMP-Toolbox-SelectionByColor-Icon.png

By Colour
Shift + O
Select all instances of a colour in an image.
GIMP-Toolbox-SelectionScissors-Icon.png
GIMP-Toolbox-SelectionScissors-Icon.png

Scissors
I
Create paths to select shapes.
GIMP-Toolbox-SelectionForeground-Icon.png
GIMP-Toolbox-SelectionForeground-Icon.png

Foreground
(none)
Select a region containing foreground objects.
Brush tools
GIMP-Toolbox-BrushBucketFill-Icon.png
GIMP-Toolbox-BrushBucketFill-Icon.png

Bucket Fill
Shift + B
Fills an area with a colour or pattern.
GIMP-Toolbox-BrushBlend-Icon.png
GIMP-Toolbox-BrushBlend-Icon.png

Blend (Gradient)
L
Fills an area with a gradient.
GIMP-Toolbox-BrushPencil-Icon.png
GIMP-Toolbox-BrushPencil-Icon.png

Pencil
N
Paints hard-edged lines; that is, the pixels are not anti-aliased.
GIMP-Toolbox-BrushPaintbrush-Icon.png
GIMP-Toolbox-BrushPaintbrush-Icon.png

Paintbrush
P
Paints soft- or fuzzy-edged lines; that is, the pixels are anti-aliased and/or feathered.
GIMP-Toolbox-BrushEraser-Icon.png
GIMP-Toolbox-BrushEraser-Icon.png

Eraser
Shift + E
Erases pixels from a layer.
GIMP-Toolbox-BrushAirbrush-Icon.png
GIMP-Toolbox-BrushAirbrush-Icon.png

Airbrush
A
Paint tool with variable pressure.
GIMP-Toolbox-BrushInk-Icon.png
GIMP-Toolbox-BrushInk-Icon.png

Ink
K
Paints anti-aliased lines with a simulation of a nib.
GIMP-Toolbox-BrushClone-Icon.png
GIMP-Toolbox-BrushClone-Icon.png

Clone
C
Copies pixels from one part of an image to another.
GIMP-Toolbox-BrushHeal-Icon.png
GIMP-Toolbox-BrushHeal-Icon.png

Heal
H
Heals image irregularities.
GIMP-Toolbox-BrushPerspectiveClone-Icon.png
GIMP-Toolbox-BrushPerspectiveClone-Icon.png

Perspective Clone
(none)
Clone from an image source after applying perspective transformation.
GIMP-Toolbox-BrushConvolve-Icon.png
GIMP-Toolbox-BrushConvolve-Icon.png

Convolve (Blur/Sharpen)
Shift + U
Blurs or sharpens an image.
GIMP-Toolbox-BrushSmudge-Icon.png
GIMP-Toolbox-BrushSmudge-Icon.png

Smudge
S
Spreads pixels in the direction of a "push".
GIMP-Toolbox-BrushDodgeBurn-Icon.png
GIMP-Toolbox-BrushDodgeBurn-Icon.png

Dodge/Burn
Shift + D
Lightens or darkens an image's shadows, mid tones, or highlights.
Transform tools
GIMP-Toolbox-TransformMove-Icon.png
GIMP-Toolbox-TransformMove-Icon.png

Move
M
Moves layers and selections.
GIMP-Toolbox-TransformAlign-Icon.png
GIMP-Toolbox-TransformAlign-Icon.png

Align
Q
Align or arrange layers and/or other objects.
GIMP-Toolbox-TransformCrop-Icon.png
GIMP-Toolbox-TransformCrop-Icon.png

Crop
Shift + C
Crops or clips the image.
GIMP-Toolbox-TransformRotate-Icon.png
GIMP-Toolbox-TransformRotate-Icon.png

Rotate
Shift + R
Rotates the active layer, selection or path.
GIMP-Toolbox-TransformScale-Icon.png
GIMP-Toolbox-TransformScale-Icon.png

Scale
Shift + T
Scales the active layer, selection or path.
GIMP-Toolbox-TransformShear-Icon.png
GIMP-Toolbox-TransformShear-Icon.png

Shear
Shift + S
Shifts part of the image to some direction.
GIMP-Toolbox-TransformPerspective-Icon.png
GIMP-Toolbox-TransformPerspective-Icon.png

Perspective
Shift + P
Changes the perspective of the active layer, selection or path.
GIMP-Toolbox-TransformFlip-Icon.png
GIMP-Toolbox-TransformFlip-Icon.png

Flip
Shift + F
Flips layers and selections.
Other tools
GIMP-Toolbox-PathTool-Icon.png
GIMP-Toolbox-PathTool-Icon.png

Path
B
Allows selecting and modifying paths.
GIMP-Toolbox-ColourPickerTool-Icon.png
GIMP-Toolbox-ColourPickerTool-Icon.png

Colour Picker
O
Selects the colour of any image opened on your screen.
GIMP-Toolbox-MagnifyTool-Icon.png
GIMP-Toolbox-MagnifyTool-Icon.png

Magnify (Zoom)
Z
Alters the zoom level of the image.
GIMP-Toolbox-MeasureTool-Icon.png
GIMP-Toolbox-MeasureTool-Icon.png

Measure
Shift + M
Shows distances and angles.
GIMP-Toolbox-TextTool-Icon.png
GIMP-Toolbox-TextTool-Icon.png

Text
M
Places text into your image.

GIMP - Download
There are also some other tools, hidden by default. These tools need to be accessed from the "Tools" menu, or by showing them in toolbox (Windows > Dockable Dialogues > Tools).
Icon
Name
Shortcut
Description
Colour tools
GIMP-Toolbox-ColourColourBalance-Icon.png
GIMP-Toolbox-ColourColourBalance-Icon.png

Colour Balance
(none)
Modifies the colour balance of current selection or layer.
GIMP-Toolbox-ColourHueSaturation-Icon.png
GIMP-Toolbox-ColourHueSaturation-Icon.png

Hue-Saturation
(none)
Adjusts hue, saturation and lightness.
GIMP-Toolbox-ColourColourize-Icon.png
GIMP-Toolbox-ColourColourize-Icon.png

Colourize
(none)
Renders current selection or layer into a grey scale image seen through coloured glass.
GIMP-Toolbox-ColourBrightnessContrast-Icon.png
GIMP-Toolbox-ColourBrightnessContrast-Icon.png

Brightness-Contrast
(none)
Adjusts brightness and contrast.
GIMP-Toolbox-ColourThreshold-Icon.png
GIMP-Toolbox-ColourThreshold-Icon.png

Threshold
(none)
Transforms the current layer or selection into a black and white image.
GIMP-Toolbox-ColourLevels-Icon.png
GIMP-Toolbox-ColourLevels-Icon.png

Levels
(none)
Changes the intensity range of the active layer or selection in every channel.
GIMP-Toolbox-ColourCurves-Icon.png
GIMP-Toolbox-ColourCurves-Icon.png

Curves
(none)
Changes the colour, brightness, contrast or transparency of the active layer or path.
GIMP-Toolbox-ColourPosterize-Icon.png
GIMP-Toolbox-ColourPosterize-Icon.png

Posterize
(none)
Reduces the number of colours.
GIMP-Toolbox-ColourDesaturate-Icon.png
GIMP-Toolbox-ColourDesaturate-Icon.png

Desaturate
(none)
Converts all colour to the corresponding shades of grey.
Other tools
GIMP-Toolbox-GEGLOperationTool-Icon.png
GIMP-Toolbox-GEGLOperationTool-Icon.png

GEGL operation
(none)
Executes a GEGL operation.

[edit] Tool options

GIMP-Toolbox-ToolOptions-All.png
GIMP-Toolbox-ToolOptions-All.png
external image magnify-clip.png
By default, activating any tool, will have the effect of showing its options under the toolbox. Each tool has its own set of settings and any changes to them are kept trough the current session. There are also four buttons under any options.
  • GIMP-Toolbox-ToolOptions-SaveOptions-Icon.png
    GIMP-Toolbox-ToolOptions-SaveOptions-Icon.png
    Save options to... - save options of the current tool
  • GIMP-Toolbox-ToolOptions-RestoreOptions-Icon.png
    GIMP-Toolbox-ToolOptions-RestoreOptions-Icon.png
    Restore options from... - restore options from saved file
  • GIMP-Toolbox-ToolOptions-DeleteOptions-Icon.png
    GIMP-Toolbox-ToolOptions-DeleteOptions-Icon.png
    Delete saved options... - delete saved options
  • GIMP-Toolbox-ToolOptions-ResetOptions-Icon.png
    GIMP-Toolbox-ToolOptions-ResetOptions-Icon.png
    Reset to default values - reset the settings to default values.
You can hide them by clicking on the arrow next to the tool name and deselecting Show Button Bar. You can also access these from the same menu under Tool Options Menu.

[edit] Colour, Indicator and Active Image area

external image GIMP-Toolbox-Colour-Indicator-ActiveImage-Area.pngexternal image magnify-clip.png
Colour, Indicator and Active Image areas respectively.
Below the toolbox can be placed these three areas. This is set in "Edit > Preferences > Toolbox" and any of the three can be hid there.

[edit] Colour area

Shows current foreground and background colour. Clicking on either will bring up the colour editor dialogue.
Clicking on the symbol in the lower left corner resets the colour to their defaults. The D key has the same effect.
Clicking on the symbol in the upper right corner swaps the foreground and background colours. The X key has the same effect.

[edit] Indicator area

Shows currently selected brush, pattern or gradient. Clicking on any of these allows you to change it.

[edit] Active Image area

Displays a thumbnail of the active image. Clicking on it will bring the Images dialogue up, allowing you the select an image.


Introduction · GIMP · Gradient