By default, when you add multiple images to a WordPress post or page, they would appear right next to each other or on top of each other.

This doesn’t look so great. You can easily solve this problem by showing your photos in a grid layout with rows and columns.

First, you need to create a new post or edit an existing one where you want to display your photos. On the post edit screen, click on the ‘Add Media’ button to launch the WordPress media uploader popup.

Next, you need to upload all the photos you want to display in rows and columns. After the upload, you will see your photos in the media library.

The images you just uploaded will already be selected. If you want to include any previously uploaded photos, then you can select them as well by just clicking on them in media library.

After that you need to click on ‘Create Gallery’ link from the left column and then click on ‘Create a new gallery’ button.

The popup window will now change to show gallery settings options.

You can select number of columns, where each image should link to, what size of image to show, and randomize display order.

After that you need to click on the insert gallery button and WordPress will insert the gallery in your blog post.

Additionally, there are many plugins available for inserting photo galleries that provide many other options and effects.