Blend photos with layer masks in GIMP
A short lesson about photomanipulation: use layer masks to blend photos.
Add a Layer Mask and fill it with a black-to-white gradient.
De-emphasize the background with GIMP using blur
A short lesson about photomanipulation: de-emphasize the background with blur.
Use Quick Mask to select the background and apply a slight blur filter.
Enhance photos: Blur Overlay with GIMP
A short lesson about photomanipulation with GIMP: Blur Overlay.
Make a copy, blur and lighten it and then apply as overlay.
Smooth skin with healing brush in GIMP 2.4
A short lesson about photo manipulation: smooth skin with GIMP 2.4.
Use the Healing Tool, set the source area with the Ctrl key pressed and paint over the destination.
Pac-Man baddies with Inkscape
Short tutorial (screencast) about creating a baddie from the Pac-Man game using Inkscape.
A HTML version is avaliable on my website (http://howto.nicubunu.ro/inkscape_pacma n_baddies/).