Travelo theme supports Paypal as default. You can enable it in theme options panel.
And please confirm you set security deposit amount for every accommodation and tour in edit accommodation or in edit tour.
If you are going to use the other payments, please install WooCommerce and use woocommerce payment.
Please check http://soaptheme.net/document/travelo-wp/#woocommerce_integration
We can not add the images to the package, because we have not the license of them.
Please use your images in the slider.