You need to make global corrections in the color and tone of your images? We will show off the image-adjusting tools available in the right panel of Lightroom's Develop module.
Lightroom 2 offers some handy features that allow you to adjust image color in a variety of ways. In this exercise, the Adobe Creative Team demonstrates two of the most important color corrections for any photographer: adjusting whites and tonal ranges, and improving brightness/contrast ratios.
This video gives a brief insight on how to photograph high key portraits on the cheap and simple Lightroom corrections to give you the best quality image. Using Lightroom to the fullest requires you to be shooting your photos in RAW.