После установки компонента появляется инструкция для следующих действий
Вот эта надпись:
Follow this steps to install properly Music Collection into your Joomla! 1.5.x distribution:
Download the zip file, in "Your Orders" link on the User Menu, to your computer.
Unzip it. You'll find about eight files in it, the component itself and some plugins and modules
Go to the administrator area of your site, and install the component using the Joomla! installer. The component file is called "com_muscol_XXX.zip" or "com_muscol_XXX_pro.zip" (XXX stands for the version). Be sure to follow the instructions about creating folders. Theese are:
Create the following hierachy of folder inside your IMAGES directory, on the root of you Joomla! installation
albums
thumbs_40
thumbs_115
artists
album_extra
album_name
artist_name
formats
tags
Create a folder named "songs" in the root your Joomla! installation
Copy the file "cd.png", located in /components/com_muscol/ to the "formats" folder you just created in the "images" directory
Go to Music Collection administor area and click on "Parameters" icon to set up basic configuration for the component. Be sure to do that before you start working with Music Collection
Install and enable the plugin JWPLAYER, included in the downloadable zip file, and also downloadable from the downloads area for free. It's called plg_jwplayer_XXX.zip
The rest of the modules are optional. You can install them all, none, or some...

...you're DONE!
Не могу понять где добавлять новые папки.
Create a folder named "songs". Это где делается, непонятно.
Если можно подробную инструкцию по установке дайте пожалуйста. Буду вам очень признателен!