Plugins not working in my wp site

I use the below plugins but theyare not woking at site

1. Show case pdf in grid view for ARTICLES page using download manager plugin as in [customized for better display and blocked update to avoid overwritecodes]
2. Use foo gallery pluginworks fine in Gallery page for photo gallery - but is not working at the above mentioned url
3. Using Gallery Plugin to display videos in Grid view works fine at but not working at the above mentioned url
4. PDF embedding plugin also not working in the above mentioned

I thinks this be some thumbnail view error I check with the server team they say every both GD library and Imagemagic is already installed.

I have already given access for support

Pls look to this