a- I will decline politely
b- I will ignore the thread
c- I will take them into consideration if deem exceptionally good
d- depends on my availability and of the smilie gets approved 
1.) Is already taken care of, the pics get automatically resized to required size upon upload
2.) Happens all the time 
I just resize before putting on
3.) Happened a few times in the past, Like 
for Khawateen, other times ppl didnt get so lucky :halo:
4.) That will not be approved 