We will be ignoring making her bigger, yes. The amount of characters included is up to you. I would recommend stopping at 8/10 characters but the max is about 15.
As a mod of another franchise board I would recommend deciding how many characters you want in the banner (E.G. we maxed it at 12 on NCIS), then how many you want from the two shows (E.G. we went with 4 each, I think Buffy is 4 or 5 from each). Then decide which characters to include
