* If the size of an array was changed after an image was uploaded you either need to re-upload the image
* or use the thumbnail regeneration plugin: http://wordpress.org/extend/plugins/regenerate-thumbnails/
*/
$avia_config['imgSize']['widget'] = array('width'=>36, 'height'=>36); // small preview pics eg sidebar news
$avia_config['imgSize']['slider_thumb'] = array('width'=>70, 'height'=>50); // slideshow preview pics
$avia_config['imgSize']['fullsize'] = array('width'=>940, 'height'=>392, 'crop'=>false); // big images for lightbox and portfolio single entries
$avia_config['imgSize']['featured'] = array('width'=>940, 'height'=>392 ); // images for fullsize pages and fullsize slider
$avia_config['imgSize']['portfolio'] = array('width'=>495, 'height'=>400 ,'copy'=>'greyscale'); // images for portfolio entries (2,3 column)
$avia_config['imgSize']['portfolio_small'] = array('width'=>250, 'height'=>250 ,'copy'=>'greyscale'); // images for portfolio 4 columns
$avia_config['imgSize']['logo'] = array('width'=>446, 'height'=>218 ,'copy'=>'greyscale'); // images for dynamic logo/partner element
$avia_config['imgSize']['portfolio-ajax'] = array('width'=>320, 'height'=>320 ,'copy'=>'greyscale'); // new portfolio ajax image
Create a new thread and tell me what problems you are encountering and what you want to know. 
There is no step 3 :) 
