First open your photo and then goto the "Image" tab and select "Mode" and click "RGB"
GIMP can edit images to lighten or darken them. GIMP can create logos. GIMP can do many things, for more information and tutorials visit: thegimpking.blogspot.com
Free alternative for Photoshop is a GIMP.
Gimp can save images as PNG GIF and JPG, but it does not build html, in a way that photoshop would with 'slices'
To superimpose pictures in GIMP, open both images in separate layers, adjust the opacity of the top layer to see both images, and use the Move Tool to position and align them as desired.
Yes. Save image as a .jpg file.
Free Open Source Graphics Program for editing pixel images. http://gimp.org/
Gimp can sharpen and is shareware
It's a matter of personal opinion. Photoshop is probably used by more professional artists. On the other hand, the Gimp is free.
Adobe Photoshop, Adobe Photoshop Elements, GIMP,
Yes, Gimp is a good digital picture editor. It is user friendly and easy to understand, so even the novice photographer can produce high quality images.
Images of space can be downloaded for free from a variety of sources These include the "Space Images", "Science Kidz", "Flickr" and "Gimp-Savvy" websites.
Graphic editors are programs like Adobe Photoshop and Gimp etc.. which allows you to edit images or graphics.