Ok thanks i'll try it !
Edit :
Seems it's not working or i did it wrong. I used Photoshop, Ctrl N new image 150x150, then Image>transparency. Saving and replacing the file as hitcircleoverlay.png in the osu!skin/skinname folder.

RESULT >
It gives me this ... :

its like it removed the other circles (those u can find usually on the sliders begin > end) and not the white square.
Here are the only files that i have used (the ones with a blue star icon) :

Do i have to use the other hitcircle images (the ones i ve put into the red square) ?
I want the skin to look like the original with the numbers. :

Edit :
Seems it's not working or i did it wrong. I used Photoshop, Ctrl N new image 150x150, then Image>transparency. Saving and replacing the file as hitcircleoverlay.png in the osu!skin/skinname folder.
RESULT >
It gives me this ... :
its like it removed the other circles (those u can find usually on the sliders begin > end) and not the white square.
Here are the only files that i have used (the ones with a blue star icon) :
Do i have to use the other hitcircle images (the ones i ve put into the red square) ?
I want the skin to look like the original with the numbers. :