Here  are three different versions with some contrast/color
adjusments – I've tried to check how it looks across different displays,
just to make sure it is displayed at the best with different settings.
Then I've uploaded two cropped samples with the vignette.  I think I
prefer A or B, C is a bit too dull.
Sorry, it took hours to render the 4k PNG. I've just uploaded
raw file and a color-corrected version in GH. 
Honestly, I think that with no sparkles at all it looks even better.
Il giorno mar, 30/06/2015 alle 16.02 -0400, Máirín Duffy ha scritto:
> So we discussed this in the meeting today. Sam, I'm waiting on the full
> render without the sparkles you were working on (I think you said you
> were rendering to 4k?)
> In the meanwhile, I poked around in Gimp and came up with this:
> It's basically the F22 wallpaper, with a triangular pixelation technique
> applied in Gimp , then some color saturation added plus a vignette.
>  https://www.youtube.com/watch?v=D4S4UUAYwQE
> On 06/25/2015 09:56 AM, Samuel wrote:
> > Hi Máirín,
> > well, I really prefer nr. 6 too; by less dense you mean fewer or more
> > evenly distributed on the surface?
> > The problem here is that the sparkles also generate the pattern in the
> > background, so fewer spots mean a darker bg. I'm not sure there is a way
> > to export the sparkles and the background separately, but I'll try that
> > later.
> > S_
> > Il giorno mar, 23/06/2015 alle 07.53 -0400, Máirín Duffy ha scritto:
> >> Hey Sam!
> >> On 06/21/2015 01:10 PM, Samuel wrote:
> >>> Hey people!
> >>> Here are the results of further iterating on the concept discussed on
> >>> Tuesday.
> >>> https://dl.dropboxusercontent.com/u/100882866/Sharing/f23_wp_wip.zip
> >>> IMHO, the right direction is in the even ones, 6-8-10. Let me know
> >>> do you think! :-)
> >> I think I like test6 the best, but maybe less dense sparkles? Is it easy
> >> enough to remove the sparkles and maybe we can play with different
> >> sparkle configs in Gimp layered on top?
> >> ~m
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