drawing

From: Marco Kirschke

Yes. You're right. :)
         .   .   .   .   .   .   .     .     .     .     .     .     .
        /   / \ /_\ /_\ /_\ /_\ /_\   /_\   /_\_  /_\_  /_\_  /_\_  /_\_ 
     \   \ ...

From: Timofei Shatrov

There is a theorem by Euler with which you can easily predict if the picture is
"drawable". Look. This double house has 4 odd points (it means that odd number of
lines goes into...

+--------------+--------------+--------------+--------------+
|   .          |   .          |   .          |   .          |
|  / \         |  / \         |  / \         |  / \         |
| /___\       ...

From:  Marion Koslowski (text added also by other members of 
alt.ascii-art)

Doida added:
Polish "kropka, kropka, kreska, kreska,  to jest morda mego pieska" means
"dot, dot, line, line, this is my d...

          {}
         .--.
        /.--.\
        |====|
        |`::`|
    .-;`\..../`;-.
   /  |...::...|  \
  |   /'''::'''\   |
  ;--'\   ::   /\--;
  <__>,>._::_.<,<__>
  |  |/   ^^   \|  |
  \::...

From llizard aka ejm:

Example with the numbers 153 and 39

traditional western method:

1. starting in the ones column:  3+9=12, carry the 1
           |
           _  _
        | |_  _)
        |  _...

   #
  :#:
  : :
  : :
.'   '.
:_____:  .___. .___.
|     |  |   | |   |        (my attempt at cheese )
|     |  '. .' '. .'                 /
|     |    |     |      .--''''''--.
|_____|    |     |  ...

       o-  -o
   _.-/)--- (\-._..     
~~.\_.^^__. ^^  / "~~ ~~ ~~~ ~ ~
~~ | ~`|   `|;~.~ '~ ~~ ~~

         ___
         ',_`""\        .---,
            \   :-""``/`    |
             `;'     //`\   /
             /   __     |   ('.
            |_ ./O)\     \  `) \
           _/-.    `      `"`  |...