Okay, i plopped down the biggest picture i could find with some fast google-fu (54mb), named it complete gibberish (jfr9tvv.jpg) and reasons that elude me when i started to test the game again, it works fine now, no sluggishness during text, even when fast forwarding with control, map works without it getting stuck when arriving to a tile and the load times are good again.
I double checked just to make sure that i was running the latest version at it works smooth as butter.
And i did drop it into the folder in appdata.
:EDIT: Just to sate my curiosity, i also took the picture out and it still works, i honestly do not know how that fixed it, but i'm grateful nonetheless