CrApe myrtles don't bloom in winter months. They are deciduous and go completely dormant during winter months. There are evergreen species for tropical climates, but they won't survive here.

Some plants to consider:
Crocus chrysanthus (snow crocus) - very early spring
Cyclamen spp. (cyclamen) - winter and spring
Galanthus elwesii and Galanthus nivalis (snowdrops) - early spring
Muscari armeniacum, Muscari botryoides (grape hyacinth) - early spring
Narcissus spp. (daffodil) - early spring
Hellebores spp. (hellebores / lenten rose) - winter and spring
Erica (heath and heather) - fall, winter, or spring
Hamamelis spp. (witch hazel) - fall or winter

Don't forget about camellias! Some recommended varieties for TN:

Camellia japonica 'Greensboro Red'
Camellia japonica 'Pink Perfection'
Camellia japonica 'April Remembered'
Camellia sasanqua 'Yuletide'
Camellia sasanqua 'Setsugekka'
Camellia sasanqua 'Northern Exposure'
Camellia sasanqua 'Apple Blossom'
Camellia sasanqua 'Pink-A-Boo'
Camellia sasanqua 'Shishi Gashira'
Camellia sasanqua 'Spring's Promise'
Camellia x 'Winter's Star'
Camellia x 'Buttermint'
Camellia x 'Winter's Snowman'

Also, there are several types of daphne, including winter daphne and February daphne, and winter jasmine.

Punky, where are you in TN? The only areas that are still zone 6 are the upper plateau and the mountains. This is important, as the difference between winter blooming plants available to you increases considerably with zone 7.