I know how to implement them
start with that - please post the code of how you implement the divider image (just for one fixed image) - this would possibly be in content.php (?)
also describe where you want to store the random images - I would suggest that you add them into the images folder of your theme.
please post a link to your site to illustrate what you have so far.
then what's wrong with someone asking for additional detailed info on how to do this ??
(emphasis added) that is absolutely ok;
But it would require someone who would be willing to write the whole thing down for me... Hopefully you're willing to do this ?
(emphasis added) this is beyond the scope of a support forum.
FYI, here is part of the conditions of another WordPress forum:
Note that we do not handle questions:
not specific to WordPress (even if they happen in its context):
overly complex and specific things (known as work for me for free)
get the idea?