Here are a few recent pics.
N. veitchii lowland
Two traps of N. truncata - one just opening and the other has aged with deeper color on the peristome.
The trap on the right is N. truncata x veitchii and the one on the left is N. truncata.
N. thorelii (d) purple
N. thorelii (seedling #1- striped peristome female) upper traps