ssd1306 i2c oled added in next build (initial support for)...
wiring
############################ ssd1306 i2c oled wiring
# 3.3 x -
# scl x -
# sda x -
#
# ...
#
# - x GND (any GND pin will do)
# - x
# - x
# - x
/boot/config.txt
dtoverlay=i2c-gpio,i2c_gpio_sda=2,i2c_gpio_scl=3,i2c_gpio_delay_us=2,bus=1
ENABLEDSERVICES="... oled"
(some sort of zombie forking bug in it tho' unless you turn off some of the dynamic stuff... needs someone with C experience to fix)
edit: removed it from the default install due to zombiness ask for the tar.gz if you need it