import your render to a new layer , name the layer original and hide the layer
create a new copy of the original layer
here's the render i choosed .....

go to Image > Adjustments > Hue saturation
choose colorize and drag the hue slider to 121
create another copy of the orignal layer
go to Filter > Blur > Radial blur
set amount to 10 , blur method to spin and quality to good
now set the blending mode of the layer to vivid light
go to Image > Adjustments > Hue saturation
choose colorize and drag the hue slider to 80
and you should have something like this ...

create one more copy of the original layer
set the layer blending mode to hue
go to Image > Adjustments > Hue saturation
choose colorize and drag the hue slider to 95
now import your game render right under the top layer
and you should have this ....

select the second copy we made ( the one given blur effect )
go to Filter > Distort > Polar coordinates
select polar to rectangular
repeat this by pressing Ctrl+F
do it several times until you are happy with the outcome
here's what i got

now we need to do the text part
type your name in black ,i choose Dredwerkz as my font nothing great but not bad
while holding Ctrl click on the text layer to get a selction , now create a new layer
go to Select > Modify > Expand and set expand by to 3 pixels
now create a new layer
fill the selction with dark green
go to Filter > Brush strokes > Angled brush and choose settings to film grain
go to Filter > Blur > Gaussian blur , with settings to 1.4
now move the text layer to the top and tahts it you are done !!
here is my final ...

please note that this is my very go at trying my hand on a sig tutorial or even do a signature so this
one may be not so good but you sig gurus out there , please let me know how you think of my first
work ,i would appreciate any comments

