WordPress Website Templates
Find Professional WordPress themes Easy and Simple to Setup
If you don’t like default homepage slider, you can use any image slider WordPress plugin like cyclone slider, revolution slider.
Go to Appearance » Theme Options » Homepage Slider
Enter your slider shortcode which is provided by plugin without php tag
Please check the documentation
If you are still getting any problem you can send your website URL and WordPress admin login details at email@example.com so we can check and solve your problem.