How to make content 2-columns? - Joomla! Forum - community, help and support

hi
this plugin , happy in jooma 1.5
now trying work in 2.5 , no luck

i think 1 of problem adding mysql think have got work changing code following:

insert prefix_extensions (name, type, element, folder)
values ('plg_content_columns', 'plugin', 'columns', 'content');

i have uploaded files , looks plugin enabled

however when add codes:
{first-column} : "the first column starts right here"
{next-column} : "the next column starts right here"
{last-column} : "this last column"

i cant work. shows plain text

and have added css code standard template.css
i have added following:

table.columns td {
width: 50%;
padding: 0px 5px 0px 5px;
}

please if find out how make plugin working joomla 2.5, happy man

thanks

mod. note: split post out thread in joomla 1.0 forum. post in forum corresponds version of joomla.