OK, i found these cheap outdoor cushions/seats pads at home depot for $5!!
http://www.homedepot.com/h_d1/N-5yc1v/R-202071456/h_d2/ProductDisplay?l…
Now they measure 18x21, should i just go ahead and build the sectional as per plan or shouldI try to mod it to the specs of the cushions? Any suggestions for the modding?