PROBLEM:
Some of my images aren't displayed or updated
SOLUTION:
1) Try reindexing Magento data, or refreshing the all the Magento cache types, or flushing the catalog images cache:
---How to reindex Magento data---
1. Login to your website
http://www.yourwebsite.com/index.php/admin
2. Click on pull-down menu at the top System > Index Management
3. Click on the 'Select All' link, ensure that 'reindex' is selected on the right and click Submit
2) If that didn't work and if reindexing ran properly without errors you can try refreshing the cache types in the Magento backend.
---How to refresh all Magento cache types---
1. Login to your website
http://www.yourwebsite.com/index.php/admin
2. Click on pull-down menu at the top System > Cache Management
3. Click on the 'Select All' link, ensure that 'Refresh' is selected on the right and click Submit
3) If that didn't work and if reindexing ran properly without errors you can try flushing the catalog images cache in the Magento backend.
---How to flush the Magento catalog images cache---
1. Login to your website
http://www.yourwebsite.com/index.php/admin
2. Click on pull-down menu at the top System > Cache Management
3. Under Additional Cache Management click the Flush Catalog Images Cache button