empty_setBeen thinking of trying to DM, anybody got any advice for a first time DM?
Don't sweat it, go for it. Not everyone is made to be a DM, but motivation is the very base requirement. Consider using a pre-made of sorts, Lost Mines of Phandelver is a really well done adventure both player and DM side, but several sessions long, so you might want to do a one-shot first. There are tons of community made one-shots out there, DM's Guild or RPG Drive Thru have free ones as well (you probably want to stay away from converting one from a previous edition/different game for now.) You can probably do it within your current group, gives your regular DM a week 'off' as well - at least I personally I enjoy when players do a one-shot once in a while, because it enables me to play as a player, see how others run the show, and vice versa.
Be flexible, don't be afraid to let go completely, and don't play to win, but to help the players tell an awesome story. It's very fun. :)
Besides that - reddit is a great resource. There's a shitload of D&D/pen&paper gaming related subreddits with countless helpful resources, tools and cool people, great resource for help and inspiration.