Do I need to change file name when I copy

I'm adding to an e-learning course built in Lectora. In many cases, I can copy and paste an entire old page into a new location and just change the text script on the page (sometimes need to resize the swf or wmf files). I've noted that the images and animations I copy keep the same file name. Since I'm resizing, will this cause a problem when the course is published. Perhaps I should change the file name?Thanks

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