Sorry folks....having a real mare today, brain been affected by the sun I think!! They are all short ones so should be easy!!
6a. Keeps going, like a parasite (5,2) ???g?-?? Thinking of "Hangs-on"? 1d. Hiding place many yearn to find (5) ???H? Could be stash? cache? second letter is second letter of 6a. 3d. One surrounded by the sun or earth (4) ???L second letter is 6th letter of 6a. 18d. A sign of love to human beings (4) O?E? 16d. Transfer from one bank to another (5) ???R? 19a. Go both ways (3)
Thanks to all of you. Easy with the explanations...though would never had got "soil"!! As for the Transfer between banks...I was thinking of financial banks rather than river banks!!