- vk.com wall-106354928_63https://www.thewebflash.com/how-to-optimize-jpeg-png
- andyjam.livejournal.com 30363.htmlHow to Optimize folder of JPEG & PNG Images Using jpegtran & OptiPNG in Windows with bat file http://www.thewebflash.com/2014/05/how-to-optimize-jpeg-png-images-using.html.