Hello! Here's two mesh packs that I really like for detailing x)
https://www.deviantart.com/bloopaloozer/art/WoW-Pandaren-Pack-Part-1-609502479
https://www.deviantart.com/miilkyprince/art/FH-WoW-Grizzly-Hills-Pack-604213078
Also, here's a really neat light particle! Adds a little extra "whoa- cool!" to the map =)
https://www.deviantart.com/wolf-nakomis/art/Sunshine-beams-FH-mesh-626026065
Hope these help!