Please try to download the file http://www.venustheme.com/cloud/ves_fashion.zip then unzip it you will get there files:
app/design/frontend/default/ves_fashion/layout/local.xml app/design/frontend/default/ves_fashion/template/catalogsearch/form.mini2.phtml app/design/frontend/default/ves_fashion/template/page/html/header.phtml
Update them to your site, then you should style for main menu and mini search too
The result after apply there files will show as: http://www.screencast.com/t/XiOnhM8sX
Answer for How to move search to meniu block?