Express Crusader (22/12)

[imhotep]

Done half of the crossword.But can't seem to solve the top half of it.Can anyone help me out please???
The clues are somewhat too cryptic.Must be tired after all the Crimbo shopping.
10a-Unusual new van,the dry one,used occasionally (5,3,3,4)
?????-?O?-???-???N (not sure about the O)
12a-Redhead inside not including extract (7) ??????T
11a-Quiet commercial,cut short,showing field for horses (7) ??????K (unsure about the K)
13a-Minute portion Penny found with item (8) ?????C??
5a-Half of them found by manager with ornament with raised work (6) ?????S
6d-Woman Conservative during supper,e.g. needing physical examination (7) ??????L
Sorry about so many clues.I could give a few more,but if anyone can help,I will be very grateful.Hopefully,I can solve the remaining ones myself.Thanks in advance.

[slaney]

10a Every now and then..anagram

[slaney]

11a P ad dock

[slaney]

5a Em boss

[shaneystar2]

6d Medical Meal supper round C conservative Di ..woman

[imhotep]

Thanks slaney for helping me out with just a couple of them.Your a star!!
In fact I will even rate you the full stars.Have a nice Crimbo

[slaney]

13a P article

[imhotep]

Sorry I meant a few,not a couple!!

[slaney]

You're welcome ..and Happy Christmas too.

[mac44]

12a. Excerpt.

[imhotep]

I have just completed the Crossword.
So thanks again Slaney, Shaneystar2 and Mac44.
Your help is much appreciated.
Hope you all have a Happy Christmas!!