Tiny
I own a Garmin Dakota 20 with a 8GB microSD card.
You can have as many *.img files as you like.
Rename them as you wish.
Make sure you place them in a folder named Garmin either on the GPS or the SD card.
e.g.
1.img
Shonky Full Topo 3.51.img
Topo Australia & New Zealand 3.img
anythingyoulike.img
Enable or disable the mapsets you want displayed using:
Setup > Map > Map Information Select Map >
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