The two lights are in the pumpkin and the wires are hidden behind masking tape painted to match pumpkin and then the ivy covers the bumps and lumps.
The switch, wires and battery (just seen at the bottom of the picture are all in place and yeah they work.
I think I may use other lights but will put these on cell batteries and make them part of the furniture inside if need.
The bottom picture shows an upclose picture of some of the ivy with the colours showing in more detail.
Now need to think about the other plants and some other minis, this may take some time as still have ivy to do.