[General]
I know this has been discussed before but the BG of the 'Hard' and 'CtB' diffs seem completely unrelated. Why don't you just use the Normal/Easy BG with the ghost SB for Hard and without SB for CtB? Or you could find a completely new BG that is related and all participating mappers like.
The SB should be improved. I suggest making a nice zoom+fade copy of the ghost sprite just after the spinner finishes...like the ghost is just popping out of the spinner ending. Try this if it works for you (copy into the .osu of every difficulty you want with the SB; copy below the sprite lines you already have under
//Storyboard Layer 3 (Foreground)):
Sprite,Foreground,Centre,"xfrtae.png",320,240
F,0,46983,47698,1,0
S,0,46983,47698,1,2.07274
Both effects could be shortened a bit to make the movement more sudden. Your choice. You could also make a much smaller version of the ghost fly around the edges of the screen during the map. If you need help with SB coding just catch me ingame.
[Easy]
mostly minor spacing issues due to grid snapping. You could either place all note follows without grid snap or fix the distinctly visible different gaps below by changing the slider endings (try to achieve 1,00x spacing for those):
00:04:995 (3,4) -
00:35:531 (1,2) -
00:38:394 (2,1) -
[Normal]
00:38:394 (2) - move to 366/188 without gridsnap to allign the slider endings
00:39:348 (1) - looks really odd. Could be curved a lot better:
http://osu-ppy-sh.jeuxcrack.net/ss/556173 and could be alligned properly on top of 00:37:440 (1) -
long code is long
184,188,39348,6,0,B|228:144|236:60|148:0|76:16|20:68|-8:148|56:200|104:240|104:240|140:276|135:332,2,560,2|2|2,0:0|0:0|0:0,0:0:0
[CtB]
Hmmmm the BG issue was already mentioned before.
00:33:633 - unsnapped green timing section, snap to 00:33:623 -
[MuzuZoda]
The BG is not matching the taiko playfield. Fix this by using either a proper template or just ask someone else to do it for you

Also: This BG doesn't seem to fit the song at all. I don't have a problem with Pokemon themed BGs for this map even if they don't actually match the Lavender Town Theme but random furries seem rather...unrelated...and weird
00:15:969 (35) - use k instead to match the previous patterns?
00:36:486 (75,76,77) - kdk seem more fitting here
[OniZoda]
Same BG issues. See muzu
[TVO's Hard]
Again the BG of this diff seems completely unrelated. You should use either the same BG as in the other standard diffs or at least one that is somewhat related to the song. I'd prefer to see the same BG for all standard diffs and all the standard diffs should use the little ghost sprite SB. If you decide to use the same BG in all standard diffs change to the combo colour scheme to the one in the other standard diffs.
00:45:074 (1,2,3,4,5) - I'd rather see this replaced by a spinner to match the endings of the other standard diffs. (This way you could also use the ghost SB)
Not much wrong with the mapping aspect in this mapset. It is a rather calm and very short song to map so you should focus on adding something "special" like an improved SB and work on the consistency of the set itself. If you need help with the SB just ask me or DarkDunskin ingame.
Have a

for now.