A little while back, I thought I ran into an issue with batch downloads - but dealing with the Build Gallery (& there might be something there, not sure)?
URL:
https://www.google.com/search?q=trains& ... 00&bih=680
URL:
https://www.custommodelrailroads.com/cm ... llery.html
FlashGot Options -> Downloads
File Extensions -> jpg ==> Add
Apply file extension filter to batch downloads too
FlashGot All
With both URLs, .jpg files are found as expected.
On my end, Win7, looks to be working.
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.19) Gecko/20110420 SeaMonkey/2.0.14 Pinball NoScript FlashGot AdblockPlus
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:49.0) Gecko/20100101 Firefox/49.0 SeaMonkey/2.46 Lightning/.4.46