if u are talking about this website then , just left of "post" button theres a link to Upload a New File, after u upload file, the file name is shown in a yellowbar

that name has the format "http://wlodb.com/files/**filename**.jpeg"
("jpeg","bmp",or "gif",... or the extension of that file)

then use
[img]http://wlodb.com/files/**filename**.jpeg"[ img] with no space

this has been explained by scott before here
http://wlodb.com/topics/25

ottol1998 i have noticed you ask questions without searching or thinking well, please read whats in the forum before u post things

if u need other tags its given here
http://wlodb.com/topics/121

IGN = taisan, Guild =*none*, Server =Leo1
timezone = GMT +5:00 (Maldives)

Spoiler:

Hello guys , do your best to help find cool smiley to use in forum, good luck all ^.^
http://wlodb.com/topics/145

Please help to advertise website and make our community larger ^^
http://wlodb.com/topics/614

Pls help get missing icons ^^ the link below shows items without any icon in database
http://wlodb.com/items/missing_images
if u have these items pls take a screen shot and post here ^^
http://wlodb.com/topics/74

=======================================================
New Forum User Tutorial ^-^
====================
How to start with website? by kazura
http://wlodb.com/topics/843
How do i add a picture?
http://wlodb.com/topics/875 by Hugo
Which tags are supported?
http://wlodb.com/topics/121 by scott
Read before u post xD
http://wlodb.com/topics/181 by me