It is important to note the legal aspect of this file.
The version number 1.30 (often shortened to "v1.30" or "130" in search parlance) represents the final major stable release of the mod. Here’s why you specifically want 1.30: newer super mario bros wii 130 wbfs
This is where the WBFS format shines. Raw ISOs waste space due to padding. WBFS files scrub unused data. It is important to note the legal aspect of this file
Result: You now have Newer Super Mario Bros. Wii [SMNE01].wbfs roughly 1.2 GB in size—perfect for your SD card or USB stick. Result: You now have Newer Super Mario Bros
WBFS stands for Wii Backup File System.