Joomla 2.5 site / virtuemart - responsive issue

We need joomla/css/virtuemart developer who can ASAP resolve 4 issue. We have joomla 2.5 virtuemart site and we have 3 mobile issue that are in connection with responsive layout and one error in virtuemart mobile order issue: 1. Main menu – (with name navigation menu) is not responsive. On all mobile devices his width is simple tooooo long. He has the layout and style to be responsive but the width is killing the complete site on mobile devices 2. Image slider - jm responsive image slider the same issue like with menu. Eather way we have installed jm responsive image slider 3. On pc version for some reasson there is some scroller at bottom and this should be removed. 4. 3. If we make a order over the cell phone then we have bunch of errors on the site after the order is done. Order is processed but there is some sort of written code to be shown after order is done over mobile devices. Total price $10 + bonus + best possible review.