How to switch between GIMP's layers?

How to switch between GIMP’s layers?

I’m trying to make a animation for my avatar and it seems that the first layer of the animation i have copy and pasted into GIMP became white so i need to figure out how to switch to the first layer so i can del that layer.

Just click on it in your Layers panel. Cntrl+L brings up the panel, but it should be there by default.

ok thanks. that was what i was trying to figure out the whole day.
here is a result. it is just a amateur practice on edge rendering, simple animation, and the PNG>GIF.

Unfortunately Avatar doesn’t support animated picture. how do some of the other members have one?