And for the image slider, it could be cache issue try cleaning cache from JCH plugin or send me access of your site over dm we'll fix this.
Yes, I cleaned cache and it worked ok

Thank you.
I understood about the filter module which can be set in any position. However, there are some issues about it; I already sent the credentials as private to check the website please

Thank you.
Another thing. After updating to 1.5, I noticed that the category images are not being showed now, please help
I hope my questions in this forum doesn't bother you and instead be good for others to know too.