Ther location of the XML file was the key for me. Also to save time renaming all files in the XML I downloaded Hyperspin collections as suggested.
Since then I have put together quite a few collections, mostly converted from Hyperspin collections, but with 3D box art added whenever possible as well as changes to the XML.
I would like to upload these collections someplace because they are RetroFE and not Hyperspin, for others to use and test. For example, in my Super Nintendo collection, surely there must be a video or two that does not play when you hover over that particular game. So it would be nice to get some feedback regarding what works and what doesn't. So far I have put together:
Mame
Atari 2600
Atari 5200
Atari 7800
Nintendo
Famicom Disk System
Super Nintendo
ColecoVision
Intellivision
PC Engine
TurboGrafx-16
Sega SG-1000
Sega Master System
Sega Genesis
These include full ROM sets, videos, logos, box art (mostly 3D), emulators, cartridge art (on some), device pictures, and story and info.txt for Aeon Nox.
All I need is a place to host. Would be OK for this?