Based on the website template you have to move the path of your image gallery, so better try to utilize youtube videos you will get a clear information based on that try to place where you want to exist it.
First of all, you should make your website visible on the search engine, so for that you have to verify your website. After that you can use google webmaster tool to index your website and its links.
Through word press you can able to create a static website, but according to your requirements of the website you should create a dynamic websites for that you can use magento tool.
Actually i think after writing a code for image file you have to upload it in a tools like dream viewer or something in that, according to your theme there is a path to upload your images in that path you have to upload your images..