Well, thats why I was talking about a CSS3 Loader. Gif's can only be full transparent or not transparent at all at every pixel. 
CSS loaders or ones working with canvas can be half-transparent:
http://designbeep.com/2012/08/30/27-jquery-css3-loading-animation-and-progress-bar-pluginstutorials/

On Feb 23, 2013, at 4:20 PM, "Iyad A." <notifications@github.com> wrote:

> In app/styles/_actor.styl:
> 
> >      cursor not-allowed
> > +    opacity .5
> Ok, I tried that and it looks weird. The gaps in the loader are white
> 
> 
> 
> —
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