Good ol' copy paste.. I'll make the part bold that relates to your question..
Heres some links and what not to some free junk to help with picture making. ;D
====Photo Shop lite
These are free & can do a pretty good lot of nifty things
The Gimp for Windows http://gimp-win.sourceforge.net/
Irfanview Graphic viewer and format converter http://www.irfanview.com/
FireHandEmber Collection Organizer http://www.firehand.com/Ember/index.html
Use Visipics to find and delete duplicates when you have too many graphic files.http://foxie.griffox.info/visipics/
======How to get an image on the forum...aka, sigs=====
First is the BEST thing I can recomend for getting pix on the net.http://www.photobucket.com/
You'll have to sign up and make a FREE account..It awesome..
ALSO If you have a LOT of sigs and would like them cycled through at random go herehttp://signavatar.com/index.php?rsp=signup
It is JUST LIKE Photobucket and is also free.
Next is the second best image hosts. (IMO)
& no sign up required
here you just load your picture on there, no sign up required.
just for future ref.
how to post a sig. in your profile wher it says signiture.
[imxg]http:// of the url that your sig is at . com[/imxg]
take out the x though..
To get them to show up, use the
[ximg]URL[/ximg] buttons on the form here.