Zdenek said:
a pool called ZWZ Wallpapers to include my wallpapers in it.
Wallpapers you created, right?

If you put your website or username in the 'source' field, you can search for them that way. Don't use any capital letters, though. Search examples:

source:zdenek
source:*zdenek*
source:http://example.com/zdenek/wallpapers/