LASTN_ALTPOSTER — When a user other than the journal owner posts a top-level journal entry in a journal, this variable is inserted into the %%altposter%% property of LASTN_EVENT.
No; users of the style cannot override this. It may only be defined in the style.
HTML
| poster | The username that's posting. |
| owner | The username that owns the journal. |
| pic | If the user posting has a picture, the contents of LASTN_ALTPOSTER_PIC go here. |