Yep, I'm also getting the integrity check failure using my own dump. CycloDS is too good lmao
Edit: White screen when launching the .nds using hbmenu.
Edit2: Before the white screen you can see the logo for about 0,1 seconds, so it's loading something.
Is the "twltool.exe stopped working" message normal when compiling?
I do get a twlBg.cxi of 557KB but I get a black screen + freeze when launching nds-hb-menu-ds and that CycloDS Launcher.
Edit: Nvm fixed, you need 2.7 python, not 3.x, now the cxi's size is >1MB.