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I use actions all the time. Mainly I use it for repeating a task that I want to perform on a multiple of images. Most recently I rendered a gallery space and needed to place a few variations on a wall graphic in it. So I recorded the initial one and just let the actions repeat the work for each additional version. Not sure what you're trying to get at by sharing actions.

Every once in a great while I will use a Kubota action.

i haven't found any pre made actions that i like yet. but i have tried a bunch.

I use File--Open, and thats when magic happens.

But dodge and burn is the 2nd best action.

Mainly the ones I record for my work flow.

I use them to create adjustment layers, then tweak each layer individually. I also use them to turn TIFFs into JPEGs when I'm ready to show stuff on the web.

I use actions for most of my workflow.  For instance I have several curve actions and then can toggle them on and off.  I have levels actions and most importantly for me is an action that saves a finished file to three different hard drives.

Beyond that there are just too many I have recorded togo through them all.

http://www.atncentral.com/index.htm

[edit]There's some decent actions on that site I linked, but I don't really use actions in my work.  I'm old skool; I do everything by hand and/or in lightroom.  [/edit]

I don't want to share.

Most of my actions are workflow enhancers:

A vignetting action which sets up a layer stack and sets the brush to my normal starting point; black and white conversion (another layer stack); web prep (dupe, resize, sharpen, border, watermark, etc); print prep (like web prep); burn and dodge prep, which sets up some standard layers, and so on. Very few fall into the 'creative' category, though many do set up for such tuning.

Like they said; workflow shortcuts. I have 2 different "dodge and burn" actions: One creates a new layer in soft light mode, fills it with 50% gray and names it dodge and burn. The other creates two new layers, fills them both with gray, soft light, names one dodge, the other burn, groups them and selects the burn layer. I've recorded actions for high-pass filter-style  sharpening, edge mask-style sharpening, a red-eye reducer and some other little things I don't like to do over and over again. I don't always use them, though, they're pretty simple to do on autopilot.

If you're asking for the ultimate magazine model skin retouch, automated for your convenience, I don't think it exists. I think your question is valid, however, and checking out all the free actions online can be helpful, just to see other ways of doing things. A lot of them are not very useful to me, like bling bling text or something, but there's some hidden gems. Can't say what, because I've probably assimilated it into my workflow and forgotten where I stole it from. ;P

Any of you heard of lollipops actions? On a seminar they show them and I though they where cool just that they where $150

I dont have an action for this, but i often create a 50% grey layer, on overlay mode, and paint on it black and white with a very low fill rate - its a cool way of dodging and burning.

you know, photoshop actions I make are the main thing I forget to backup when I format my computer harddrives