how i can show custom module in category module ?

[easy.proger]

Hello i need create category some like - http://www.agentprovocateur.ru/category/view/?id=28

i want configure and create this page in wysiwyg editor in joomla )

how a can do this ? i think me need create html module in joomla control panel and show his in category but i cant show my modules in category tmlp (