In a tight squeeze for money so let's do some ychs :)

at the sb you get:
flatcolored and simple background

at $6 you get:
simple shading and simple background

at $8 you get
complex shading and simple background

at AB you get:
complex shading and complex background with the option to add another character

#1
SB: $3
AB: $15

#2
SB: $3
AB: $15

#3
SB: $3
AB: $15

#4
SB: $3
AB: $15