hi all, i am new on wordpress kindly help me i have a question that i have my we

hi all,
i am new on wordpress kindly help me
i have a question that i have my website created on wordpress in this site i have slider as well as pages and posts ..the slider images are changes from single.php (post) file and also from pages(page.php) and the images are same on all posts and pages.Now my question is that i want to change images on any single post and page like when i click on page->products the new images are shown on slider when i click on another page it will shown another image on slider.
kindly help me
thanks