Update: You can check the tutorial HERE.
New experiment in Gimp..i made this without using any brush..the process is simple, using only the eclipse tool in gimp and some combination of layer mod. I hope i can find new way to make this result more vibrant..i'll make tutorial for this one..subcribe to my feed for news update! Click HERE to subcribse.
Update: 28 November
My new result after trying again..this time i try to put some depth and play with some blur..and i got a name for this. Circle Light Effect!
Second experiment result: