Daily Upload of Images

I need to daily update some hundreds of images in my websites. You will get an excel list of the image sources. You will: 1. Download it 2. Resize the picture or crop it. 3. Then save it with a specific name. 4. And finally upload it to my backoffice. The process is simple. Part of it is already automatic. But the other part has to be manually as the image sources vary, without a logical algorithm and in other cases it's needed to login in some systems to get the image (logins will be given) The point is that these are websites from 25 different countries that have to be refreshed everyday (including weekends) at 7:00 a.m. local time for each country. Meaning that perhaps it's needed more than a normal shift of work. And in some cases, as some countries have the same timezone and the images sources are only available at 6:00 a.m. or 6:30 a.m., then it's needed more than one person during that peek hours. So one person is not enought. It will be needed perhaps 2 or 3 persons, as the work is for 7 days a week and during some peek hours, hundreds of images will have to be processed.