Batch resize, batch convert etc, think that will be easy to find. Random change to file name you may be looking for a 'script' or some sort of macro or something to do it, you may need someone with programming skills.
or......
http://www.bulkrenameutility.co.uk or.....
http://www.filerenamer.net both seem to be able to reference a spreadsheet to rename files,
http://www.bulkrenameutility.co.uk/f....php?f=4&t=602 not sure if I understand it, but these 2 were just a quick search
http://graphicssoft.about.com/od/ren...Tools_Tips.htm may be useful, 1-4a rename has reference to '<#r> Insert random number (no duplicate numbers will be generated'. should keep you busy for a bit
, interesting (I did a disc backup a few years ago that resulted in a lot of files having the same time/date - keep meaning to revisit that one)
Mick