Looks like this:

$config = {
config_file_name => 'uu_default_config',
temp_dir => '/path/to/templates_c/',
upload_dir => '/home/myplazehere/public_html/video/',

EDIT: I GOT IT FIXT.
I set: temp_dir /home/myeplazehere/public_html/templates_c/ insted of temp_dir => '/path/to/templates_c/',