Sorry, no fancy Web2.0 shenanigans. All you can do is copy/paste the data from the current settings. To load saved settings, paste them in and hit load!

You can also paste the data straight into Twitter, and it'll load for you & everyone else, via the Twitter load feature. Neato.

Loading from Twitter...
some examples
1 2 3 4 5 6
tweetload savesave
bounce speed
number of particles
size & random
spread X & Y
sharpness & random
lifespan & random
speed & random
angle & random
gravity & direction
start colour - rgba
start random - rgba
end colour - rgba
end random - rgba
blending mode
~~P A R C Y C LE

"Particle System on HTML5 Canvas" (not for sale) - @Mr Speaker