I found this laying around and remember this as pretty helpful visualization of what the fuck the stack was doing. Figured it would help, no need to comment :)

Title:   The Presentation for Cross-Site Scripters Who Can't Stack Buffer Overflow Good and Want to Do Other Stuff Good Too

Link:  https://anonfiles.com/J3K5l8b6y8/BOF_Tutorial_pdf

I renamed the file since originally uploaded to VT - same file tho:
https://www.virustotal.com/gui/file/49922bcc816f8a22a1a57db5c39ddb88896b2f505364fbab9e37b3730785cdbf

Thanks for sharing bro!