I have updated the Wikipedia lists of manuscripts with links to images of manuscripts:
https://en.wikipedia.org/wiki/List_of_New_Testament_papyri
https://en.wikipedia.org/wiki/List_of_New_Testament_uncials
https://en.wikipedia.org/wiki/List_of_New_Testament_uncials
https://en.wikipedia.org/wiki/List_of_New_Testament_minuscules_(1%E2%80%931000)