This tutorial is Beginner Friendly.
After this tutorial you'll have something like this:

So Let's Start!
#1 - Set up your map and place an event of a fire (Stepping Anim & Direction Fix checked).
Spoiler

#2 - Just in the tile below create another event with the following characteristics:
- Stepping Anim, Direction Fix & Through checked.
- Priority: Above Characters
- Speed: 4x Faster
- Frequence: Highest
- Movement Type: Custom
- Click the button "Move Route..." and place the following commands in order:
- Change Blending: Add
- Uncheck "Repeat Action"
- Add this image as the graphic:
Spoiler
Name the file "!$Light 1" if it's not by default.


You should have something like this:
Spoiler

#4 - (Optional) Create another event anywhere. Make it a Parallel process. Insert the Event Command "Tint Screen" and click in the button "Night" or just make a dark tint. Set the Time to 1 frame and click OK.
Insert the Event Command "Erase Event".
#5 - Copy and paste to have multiple lights.
Test it and experiment new things!
#6 *BONUS - For a fire flicker effect following the following guidelines:
Edit the Glow event. In "Autonomous movement" choose "Custom" and click on "Move Route..." Insert the following commands:
Spoiler

Hope you enjoyed the Tutorial :)
Share some screenshots with this technique if you want!
You can find more stuff like this on my Busted Ed's Tips 'n Tricks Project.
It has over 20 cool tricks and systems you can learn to implement in your game, so feel free to take a look :)
http://forums.rpgmakerweb.com/index.php?/topic/19717-bustededs-tips-n-tricks-last-version/
