Webgensis

Download Image Grid with Hover effects plugin to easily show grid layout of your images on WordPress 
site that looks elegant and attractive. This plugin creates a grid layout with short title and description on 
hover effect of the image.
It’s an easy to manage plugin that is available for free to download from the WordPress Plugin directory. 
You can easily show grid layout of images using the simple shortcode. The WordPress Plugin “Image Grid 
with Hover Effects” easily manages custom post type of images with the backend to display image grid 
beautifully.
You can link the displayed images internally or externally and the plugin will allow you to choose the 
option for whether you want to open these links in a new tab or not. 
The image grid will be responsive and shown beautifully on every sized device. To get the best output 
for image grid, the best option is to choose the images of equal sizes.

Image grid with hover effects

Responsive image grid with directional hover. Link your images to both external and internal pages.

yonisink

Create a WordPress menu (up to three levels) with the WP appearances built-in menu builder and convert it to a nice responsive dropdown using template tags.
Choose your colors, and whether you want a hover or click (click will be permanent on responsive break due to mobile devices’ use of hover as a “pre-click”).

Sinking Dropdowns WordPress

Convert default WordPress menu to a responsive hover/click dropdown menu.

Image grid with hover effects vs Sinking Dropdowns WordPress