Tim,
I'll assume you mean the fuse seam lines (painted in the mold fuse)? No seams seen in the covering as they are done at the leading/trailing edge.... As for the loose covering, anyone who lives in florida knows this is typical for an out of the box ARF, especially in dark colors... The heat tends to sag the covering until it has been heated and rubbed down good. Even then, you have to keep shrinking it back up during our hot summer days (our flying season is oct thru may ).
Retracts... they are also supplied by RCARF and I have no yet received a set. I have ordered a set of Robarts new spring-air style gear to test out in this plane along with as set of the robart 550s to see which will be the best for this application. Will report on their performance as well if you are curious...
Todd