I think you are referring to the text DA WS produces as it does the flood fills, correct? There isn't anyway to get rid of that at the moment, but you can make it less noticable. Go to Preferences, Styles, Legend block and change the settings to 1 and Arial, the text will hardly be noticable.
The maps I posted were created using the beta version of Digital Atmosphere Fusion, the latest version of the software - the legend text can be "switched off" in that version. See the beta test section of the forum for instructions on how to get the beta version.
analyze,OVER FILL COLOR=255:66:255 GRTN=0 VKNT WSPD hght h500
analyze,OVER FILL COLOR=246:66:255 GRTN=1
analyze,OVER FILL COLOR=226:66:255 GRTN=2
analyze,OVER FILL COLOR=206:66:255 GRTN=3
analyze,OVER FILL COLOR=186:66:255 GRTN=4
analyze,OVER FILL COLOR=166:66:255 GRTN=5
analyze,OVER FILL COLOR=146:66:255 GRTN=6
analyze,OVER FILL COLOR=126:66:255 GRTN=7
analyze,OVER FILL COLOR=106:66:255 GRTN=8
analyze,OVER FILL COLOR=86:66:255 GRTN=9
analyze,OVER FILL COLOR=66:85:255 GRTN=10
analyze,OVER FILL COLOR=66:105:255 GRTN=11
analyze,OVER FILL COLOR=66:115:255 GRTN=12
analyze,OVER FILL COLOR=66:135:255 GRTN=13
analyze,OVER FILL COLOR=66:155:255 GRTN=14
analyze,OVER FILL COLOR=66:175:255 GRTN=15
analyze,OVER FILL COLOR=66:195:255 GRTN=16
analyze,OVER FILL COLOR=66:215:255 GRTN=17
analyze,OVER FILL COLOR=66:235:255 GRTN=18
analyze,OVER FILL COLOR=66:255:255 GRTN=19
analyze,OVER FILL COLOR=66:255:240 GRTN=20
analyze,OVER FILL COLOR=66:255:220 GRTN=21
analyze,OVER FILL COLOR=66:255:200 GRTN=22
analyze,OVER FILL COLOR=66:255:180 GRTN=23
analyze,OVER FILL COLOR=66:255:160 GRTN=24
analyze,OVER FILL COLOR=66:255:140 GRTN=25
analyze,OVER FILL COLOR=66:255:120 GRTN=26
analyze,OVER FILL COLOR=66:255:100 GRTN=27
analyze,OVER FILL COLOR=66:255:80 GRTN=28
analyze,OVER FILL COLOR=66:255:66 GRTN=29
analyze,OVER FILL COLOR=86:255:66 GRTN=30
analyze,OVER FILL COLOR=106:255:66 GRTN=31
analyze,OVER FILL COLOR=126:255:66 GRTN=32
analyze,OVER FILL COLOR=146:255:66 GRTN=33
analyze,OVER FILL COLOR=166:255:66 GRTN=34
analyze,OVER FILL COLOR=186:255:66 GRTN=35
analyze,OVER FILL COLOR=206:255:66 GRTN=36
analyze,OVER FILL COLOR=226:255:66 GRTN=37
analyze,OVER FILL COLOR=255:255:66 GRTN=38
analyze,OVER FILL COLOR=255:235:66 GRTN=39
analyze,OVER FILL COLOR=255:225:66 GRTN=40
analyze,OVER FILL COLOR=255:205:66 GRTN=41
analyze,OVER FILL COLOR=255:185:66 GRTN=42
analyze,OVER FILL COLOR=255:165:66 GRTN=43
analyze,OVER FILL COLOR=255:145:66 GRTN=44
analyze,OVER FILL COLOR=255:125:66 GRTN=45
analyze,OVER FILL COLOR=255:105:66 GRTN=46
analyze,OVER FILL COLOR=255:85:66 GRTN=47
analyze,OVER FILL COLOR=255:66:66 GRTN=48
analyze,OVER FILL COLOR=255:46:46 GRTN=49
analyze,OVER FILL COLOR=255:26:26 GRTN=50
analyze,OVER FILL COLOR=75:75:75 GRTN=52
analyze,OVER FILL COLOR=95:95:95 GRTN=54
analyze,OVER FILL COLOR=115:115:115 GRTN=56
analyze,OVER FILL COLOR=135:135:135 GRTN=58
analyze,OVER FILL COLOR=155:155:155 GRTN=60
analyze,OVER FILL COLOR=175:175:175 GRTN=62
analyze,OVER FILL COLOR=195:195:195 GRTN=64
analyze,OVER FILL COLOR=215:215:215 GRTN=66
analyze,OVER FILL COLOR=235:235:235 GRTN=68
analyze,OVER FILL COLOR=255:255:255 GRTN=70
analyze,OVER FILL COLOR=128:0:255 GRTN=75
analyze,OVER FILL COLOR=230:230:255 GRTN=80
analyze,BARB GEOS SMTH GHGT color=255:128:255 hght h500
analyze,CONT CINT=2 COLOR=255:157:111 line=2 TEMP hght h500
analyze,cont cint=60 color=0:0:0 line=2 hght h500
product,plf,500
Really just a small variation of what I posted for the sfc wind script. I chose gray for the higher values - because that's what looked best for my use. Temps and heights are isoplethed, geostrophic barbs and station plots are all included. This looks a little better on a larger map because of the slight barb "scrunching" noticed on smaller ones.
The above legend w/text doesn't work with this script.
This should produces a really cool color gradient effect for you on regional US zooms.