It sounds like what you’d like to do is actually more straight-forward than what I’m doing. What I have so far for a single image background is this:
/* Slider Wide
——————————————— */
.slider-wide {
clear: both;
width: 100%;
background: url(‘/wp-content/uploads/2013/10/wideimagetest.jpg’) no-repeat fixed center;
height: 400px;
}
But I want a single image and real text. (I’m not 100% there yet, by the way. A couple of things not jiving.)
However…
If you’re not worried about real text, then it sounds like you just need a slider that lets you go wide enough. The problem with super wide sliders is the larger file size.
What Wes does on his theme demo is a nice way to go…a “normal” size slider image that uses the same background colors rather than having an “edge” or key line on your featured images. This way it appears to be a full-width slider. But it’s really not. (If that makes sense?)
But that might not be an option for you.
I’ve recently started using Soliloquy (lite version is free but limited…paid is only $19.) It seems to be very good. Plus it works with shortcode, which is just plain easy. So you just set it up and add the shortcode to your wide slider widget. You can go as wide as you want but, again, large files aren’t good.
By the way, to add shortcut to widgets I found I had to add this to functions:
add_filter( ‘widget_text’, ‘do_shortcode’ );
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I don’t know if I gave you the answer you’re looking for but hopefully helped a little 🙂