I just finished porting the maps to BF2 and have them running in their own mod. Most of the BFH content was kept intact for the most part. Only things not ported right now is vehicles, handweapons/items, and the soldiers. The mod just needs some cosmetic fixes. I have gone as far as I can go with this mod given my limited BF2 modding knowledge and would invite someone better at BF2 modding to come along and fix it up for me. 
Also, all the night maps CTD after clicking the Ready/Join game button after map load. I haven't found a fix for this either and will be up to whomever decides to pick up this mod.
Videos:
Menu+Seaside Skirmish:
Victory Village with bots: (AI was done by Winterhill, I do not know how to add bots to BF2 maps so I don't plan to add ai to any more maps unless someone else does them)
Riverside Rush + Alpine Assault:
As you can see there are still a few minor bugs like flickering black spots on the terrain and the soldier spawns need to be adjusted. (the paradrop spawns should probably be removed)
So I invite anyone to pick up this mod and fix it up. I'm sure it will be quite enjoyable once all the issues are worked out.
Download Link:
bfheroesBF2.rar
Enjoy!
Added (2010-10-29, 5:58 Am)
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If anyone out there is checking this out, here's another update. I got ai in a few maps on my own now that I have figured out how to navmesh BF2 maps!
Here's Midnight Mayham with BF2 bots in all her glory!
The download link has been updated. So redownload to get newest version. Maps with singleplayer support so far:
Riverside Rush (crashes midgame, stay away from this one in singleplayer for now)
Midnight Mayham
Victory Village
Along with Dnamro from BFSP, I am working on navmeshing the other maps. I have doing Buccanneer Bay now. Seaside Skirmish is being done by Dnamro.
