The slim digital camera problems are more of a user problem than they are a problem with the cameras. The slim cameras are not made for large hands and fingers.
ISO (International Organization of Standardization) plays probably the most important role in photography especially when you're using a SLR. In more simple words the ISO is the film speed. Today, the digital cameras usually go to 1600. ISO is very important if you take pictures in a dark place. ISO prevents a picture to be blurry if you know how to set it right.
Another great feature of the Rebel XSi is the Auto Lighting Optimizer which improves shadow detail and highlights. You can also opt to get the automatic depth of field and wireless remote and flash option available with the camera.
Users do like the camera because of its slim design, but slim digital camera problems with the picture quality is also a concern.
The lenses are also very important because there's no point in buying a $3,000 SLR and use the cheapest glass you can find. Any pro will tell you that it's better to buy a cheap camera and great lenses because they do the entire trick in photography. That's why it's recommended that you have one or two quality lenses to accompany your camera.
The best online sharing application and photo management worldwide is without any doubt Flicker. Once you become a member here you'll have access to a wide photo community and learn very important tricks.
Like other digital SLR cameras, the EOS 40D also has software dust removal and built-in sensor cleaning. Among other features are mirror lockup, 9-point autofocus, spot meter, Highlight Tone Priority, ISO range of 100 to 1600, and six program modes.
RAW is the best choice for you because these files are larger than the rest and are perfect for art shots. Keep the JPG format for family photos but for art files use only RAW.
Use Photoshop to edit your photos but if you can't afford it you can trust your files to Google Picasa. Take as many photos when you shoot so you'll have a lot to choose from for your album. Pay attention to the perspective because it can change your entire picture. Play with it and you'll get various versions of the same image.