The VG Resource

So i need a few Super mario tiles please
I have tried to get them myself but the aspect ration is all of, i'm trying to get the clouds, but i need 16x16 tiles. The cloud is 24xsometing.
I need them in sections like if you can't fit the tile in a 16x16 image, just make another
Note: I have ried mysef to just resize them but my softwae just turns out a fuzzy image (I'm using Paint.net) & i'm really shit at gfx .
If anyone can help it would be grateful
So I need:
The clouds (Both of them, there's a small cloud & a bigger one)

From which Super Mario game? SMW? SMB1? SMB3? What?

Super Mario bros.

*sigh* Which version? The NES version? The SNES version? The GB version? Can you please be a bit more specific?

The classic nes version.

See the clouds. Them two, but edited so that there in sections of 16x16 so i'm not talking about resizing the whole cloud to 16x16, i'm saying resize the height so it's 16xwhatever, then just make sections out of the cloud.

if you can explain more clearly, i can help.

do you mean taking the clouds, change the height to 16 or the length?

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theyre already on the site, under nes, then click S, super mario bros, general sprites.