http://www.faststone.org/FSResizerDownload.htm
A quick tuition on using.
Open and select the folder with the pics you want to re-size.
Fig 1
1: Select Batch Convert
2: Select Folder with images to be resized
3: Select output folder
4: Select files to re-size
5: Add to resizing list
6: Go to Advanced Options

Fig 2
Advanced Options
1: Select Resize
2: Select in Pixels
3: Select Preserve Aspect Ratio
4: Select Pick a Standard Size

Fig 3
1: Select the 1024 x 600
2: Hit the OK Button

Fig 4
1: Convert and all should be done.
